About the Ansonia “Agate” Clock
Title: Ansonia “Agate” Clock Model: A Collector’s Guide
The Ansonia “Agate” clock, crafted by the renowned American clock manufacturing company Ansonia Clock Company, is a mantel clock of exceptional beauty and craftsmanship. This model was produced predominantly during the late 19th to early 20th century, making it a treasure for antique collectors.
The “Agate” clock’s case is characterized by its intricate design, often featuring an agate-like marble top and base, which lends it the namesake of this model. The case is usually embellished with ornate details such as gold-plated accents and finely carved floral motifs. These decorative elements make the “Agate” clock a standout piece in any collection.
What sets the Ansonia “Agate” clock apart from other mantel clocks is its combination of aesthetic appeal and precision mechanics. The clock’s movement, typically a time-and-strike mechanism, offers reliable accuracy and durability that has withstood the test of time. Notable features include a carved wooden dial with Roman numerals and a silvered chapter ring. Additionally, the “Agate” clock often includes a decorative hood ornament, further enhancing its visual appeal.
For collectors, the Ansonia “Agate” clock is highly prized due to its stunning design, exceptional craftsmanship, and historical significance. Its production during the Industrial Revolution era reflects the high point of American clock manufacturing and serves as a testament to the artistry and innovation of the Ansonia Clock Company. As with many antique clocks, the condition of the “Agate” clock greatly affects its value, with well-preserved examples commanding higher prices in the market.
Auction Records and Price History
The following 5 auction record(s) show actual sale prices for the Ansonia “Agate” model clock. Prices vary based on condition, originality, and current market demand. Search for more records on AntiqueClocksPriceGuide.com.

Ansonia Royal Bonn “Agate” Miniature China Clock
marked Ansonia paper dial; back of case marked Royal Bonn, FM 1755; “Agate”; key wind movement; beveled glass. Red rose decorated pink and blue case. (Dial yellowed.) Not running. 7 1/4″
Sold: $100 | Date: Feb 18th, 2012 | Source: Tom Harris Auctions

Ansonia Clock Co. Royal Bonn “Agate”, ca 1904.
Miniature only 7 1/4inches high 30 hour movement will need servicing to run Perfect case, no chips, cracks, or breaks Signed 2 inch paper dial, beveled glass Ly-AnsoniaNo.2491, 2492
Sold: $255 | Date: January, 2002 | Source: Horton’s Antique Clocks

Ansonia Clock Co. Royal Bonn “Agate”, ca 1904.
Perfect and very colorful case, 7 1/4 inches high 30 hour movement is running Signed 2 inch paper dial is dark, convex glass Ly-Ansonia No.2491, 2492
Sold: $255 | Date: January, 2002 | Source: Horton’s Antique Clocks

Ansonia Clock Co. Royal Bonn “Agate”, ca 1904.
Another perfect case,7 1/4 inches high 30 hour movement, minus one hand 2 inch paper dial, beveled glass Ly-Ansonia No.2491, 2492
Sold: $277 | Date: January, 2002 | Source: Horton’s Antique Clocks

Ansonia “Agate” Miniature Royal Bonn Clock
With a 1 day TO movement with fixed key winder and the original dial. The case is green and brown with floral d/(c)cor. The clock is running at this time. Dial – 2″ Diameter; Case – 7 1/4″ Tall The clock is running at this time.
Sold: $80 | Date: Oct 05, 2013 | Source: Tom Harris