Antique Ansonia “La Tosca” Model Clock

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About the Ansonia “La Tosca” Clock

Title: Ansonia “La Tosca” Clock Model: A Collector’s Guide

The Ansonia “La Tosca” clock model, crafted by the renowned Ansonia Clock Company between 1896 and 1920, is a captivating mantel clock that graces any antique collection. This timepiece is not only an embodiment of exquisite craftsmanship but also a testament to the rich history of American clock-making.

The “La Tosca” model is immediately recognizable by its distinctive case design, which is primarily made from brass and ornately decorated with intricate floral motifs. The clock’s base features a sculpted acanthus leaf design, while the dial is adorned with a richly detailed cast bronze figure of Tosca, a character from Giacomo Puccini’s opera “Tosca.”

What sets the Ansonia “La Tosca” apart as a collectible piece is its combination of artistic and technical excellence. This 19th-century clock showcases the Ansonia Clock Company’s mastery in both clock mechanics and decorative arts, making it an essential addition to any serious antique clock collection.

Notable features of the “La Tosca” include its eight-day movement with a striking mechanism and a minutes dial on the lower portion of the face. The clock also boasts a finely painted enamel dial with Roman numerals and gilt hands, adding to its overall aesthetic appeal.

In addition to its striking design and historical significance, the Ansonia “La Tosca” clock model is also renowned for its exceptional condition retention due to the high-quality materials used in its construction. This makes finding well-preserved examples a delight for antique clock enthusiasts and

Auction Records and Price History

The following 13 auction record(s) show actual sale prices for the Ansonia “La Tosca” model clock. Prices vary based on condition, originality, and current market demand. Search for more records on AntiqueClocksPriceGuide.com.

Ansonia Clock Co. Royal Bonn porcelain clock, "LaTosca", ca 1904.

Ansonia Clock Co. Royal Bonn porcelain clock, “LaTosca”, ca 1904.

The name is fired into the case. One of the larger cases at 14 1/2 inches high, 10 inches wide. A very attractive medium green with hand painted pink roses, white and yellow flowers, on the front, top, and sides. A great case design, shape of shells used top and bottom, columns on 4 sides, and just enough gold go make it show nicely.8 day, strikes half hours. 2 piece porcelain dial has a half dozen small, dark hairlines. If I were keeping the clock I would put the dial in an ultrasonic bath and the hairlines should disappear, or you can get a replacement dial from Timesavers. While you are ordering get a new back door as this one is not correct. You will also need a small piece of cork to attach the door screw into. This is a simple fix that I could probably do if time allowed. No chips, cracks or repairs. It is having difficulty running long, bad out of beat. With the changes noted this clock should be worth $1200 or more. Ly-Ansonia, page 635.

Sold: $925 | Date: 1/1/2003 | Source: Horton’s Antique Clocks


C.1904, Ansonia "La Tosca", Royal Bonn, porcelain china clock in like new condition.

C.1904, Ansonia “La Tosca”, Royal Bonn, porcelain china clock in like new condition.

This is an attractive multicolor case that starts with dark pink at the top, changing to yellow in the center and dark green at the base. The open escapement movement has been professionally cleaned and the porcelain dial is perfect. The escape wheel, verge and front pivot support have all been polished and lacquered. We have never seen a nicer La Tosca. This clock came to us from a collector with very high standards and it is difficult to estimate this clock when compared to an “as-found” Ansonia. Height 14.5Ó $1,250-$1,750

Sold: $1,876 | Date: 11/3/2002 | Source: R.O. Schmitt Fine Arts


C.1900, Ansonia Royal Bonn "La Tosca"

C.1900, Ansonia Royal Bonn “La Tosca”

in popular tri-color motif, dark aqua-blue at top, down to yellow in the center and dark green at the bottom. The open escape dial is perfect, as is the case. The dial and movement need cleaning, but this is otherwise an exceptional clock, sure to attract a lot of interest. We sold the “sister” to this clock, October 1998, lot 315, for $1500+10 percent. Height 14 ” Reserve $1000

Sold: $1,000 | Date: 5/8/2000 | Source: R.O. Schmitt Fine Arts


Ansonia Clock Co., New York, "La Tosca" 8 days, time and strike, Royal Bonn porcelain mantel clock with visible escapement, c1904

Ansonia Clock Co., New York, “La Tosca” 8 days, time and strike, Royal Bonn porcelain mantel clock with visible escapement, c1904

the case is in excellent condition with no visible flaws, just the expected light crazing in the fired surface and small losses to the gold accents. The porcelain dial and beveled glass are fine, the pallets are steel. The movement and case back are correctly signed. Ht 15″

Sold: $500 | Date: April 27, 2014 | Source: R. O. Schmitt Fine Arts


Ansonia Clock Company, "La Tosca", ca 1904. A Royal Bonn case with the usual German potters marks, to authenticate their work

Ansonia Clock Company, “La Tosca”, ca 1904. A Royal Bonn case with the usual German potters marks, to authenticate their work

. This is one of the perfect clocks that was part of a large collection of Ansonia Royal Bonn’s we purchased a couple of years ago. It is a tall case standing 14.5 inches high, and is 10 inches wide. Beautiful colors are principally rose, changing to light, then dark green at the base. Nice flowers painted on the case and of course gold used as accent on the high spots. As they so often did, they put a lions head at the top and some mythical varmints on the sides. As usual, the movement is 8 day, half hour gong strike, open escapement in front of the two-piece porcelain dial. Everything is clean, shining, running, and striking. Ly-Ansonia Page 635.

Sold: $0 unsold | Date: January, 2005 | Source: Horton’s Antique Clocks


Ansonia Clock Co., Royal Bonn, "LaTosca", ca 1904.

Ansonia Clock Co., Royal Bonn, “LaTosca”, ca 1904.

This is another colorful, tall case. It is 14.5″ high, and 10″ wide. Colors, like No. 387, start with red-rose on top, changing to light green then dark green on the base. A lionÕs head on top, small open space might be a snake? or varmit of some kind, on top of an urn which changes to a tree? Strange, it could be anything. The flowers are white, yellow, and red. The usual gold accent painted mostly around the base. Ly-Ansonia, page 635.

Sold: $0 | Date: July, 2003 | Source: Horton’s Antique Clocks


Ansonia Clock Co. Royal Bonn case, "La Tosca", ca 1904.

Ansonia Clock Co. Royal Bonn case, “La Tosca”, ca 1904.

The name imprinted on the back but the Royal Bonn firing marks are inside the case. There are the red numbers, “44.844, 5810, 170”, and imprinted numbers fired into the case, “L8, 2886”. No red crown, FM, or 1775, that we usually see on these cases. This is a large case at 14.5 inches high, 10 inches wide, excellent colors and a goodly amount of gold. Sea shell on a lions head, on top, same on the bottom. Dippy do open arches on the side columns. A very stylish case. Movement is 8 day, cathedral gong strike, and open escapement on the 2 piece porcelain dial. Dial with hairlines that would clean in an ultrasonic, beveled glass. No chips or cracks. Ly-Ansonia, page 635 several examples of this clock.

Sold: $0 unsold | Date: June, 2004 | Source: Horton’s Antique Clocks


Ansonia Clock Co., New York, "La Tosca", 8 day, time and strike, spring brass movement porcelain mantel clock with visible escapement movement.

Ansonia Clock Co., New York, “La Tosca”, 8 day, time and strike, spring brass movement porcelain mantel clock with visible escapement movement.

Very attractive green and painted flowers Royal Bonn porcelain case in very nice condition. Original porcelain dial is perfect. Original hands and pendulum. Movement is signed.

Sold: $275 | Date: May 19, 2018 | Source: R. O. Schmitt Fine Arts


C.1905, Ansonia Royal Bonn, LA TOSCA, porcelain china clock, in yellow with pink accents, and multi colored flowers.

C.1905, Ansonia Royal Bonn, LA TOSCA, porcelain china clock, in yellow with pink accents, and multi colored flowers.

Condition: overall very good original condition. The only things that keeps this from being outstanding is a hairline in the porcelain dial, and a replaced rear dust cover. Height 15 inches

Sold: $1,250 | Date: May 6th, 2006 | Source: R. O. Schmitt Fine Arts


Ansonia Royal Bonn La Tosca China Clock

Ansonia Royal Bonn La Tosca China Clock

Open escapement.

Sold: $375 | Date: October 04, 2014 | Source: Tom Harris


Ansonia Clock Co., New York, NY, "La Tosca" Royal Bonn porcelain shelf clock with a visible escapement with an 8 days, spring driven, time and half hour strike movement, c1904.

Ansonia Clock Co., New York, NY, “La Tosca” Royal Bonn porcelain shelf clock with a visible escapement with an 8 days, spring driven, time and half hour strike movement, c1904.

The case is in excellent condition with some loss of gilt on the lower case front. The porcelain dial is in excellent condition with no hairline cracks. The hands are original. The movement is signed. Ht 14 1/2″

Sold: $475 | Date: October 25, 2015 | Source: R. O. Schmitt Fine Arts


Ansonia Clock Co., New York, Royal Bonn "La Tosca" green porcelain 8 day time and strike mantel clock, visible escapement,  c1905

Ansonia Clock Co., New York, Royal Bonn “La Tosca” green porcelain 8 day time and strike mantel clock, visible escapement, c1905

the hand-painted case. with the Royal Bonn stamp, is in very good condition although there is a long crack down the back (not seem from the front) and only slight wear to the gold accents. The porcelain dial has some cracks, the pallets are steel, the beveled glass has some edge chips. A partial dealer tag from Hartford, Conn. is on the back. Ht 14.75″

Sold: $475 | Date: October 26, 2013 | Source: R. O. Schmitt Fine Arts


Ansonia Clock Co., New York, NY, "La Tosca", 8 day, time and strike, porcelain mantel clock with visible escapement, c1904

Ansonia Clock Co., New York, NY, “La Tosca”, 8 day, time and strike, porcelain mantel clock with visible escapement, c1904

the China case is in very good original condition with only slight losses to the gold accents. The beveled glass, porcelain dial, and cast brass bezel all are fine. Ht 15″

Sold: $600 | Date: October 28, 2012 | Source: R. O. Schmitt Fine Arts