Many Seth Thomas clocks from 1881 to 1918 have a date code stamped in ink on the case back or bottom. Usually, the year is done in reverse, followed by a letter A–L representing the month. For example, April 1897 would appear as 7981 D.

How do I identify my Seth Thomas clock?

The first step in identifying your clock is to look for the Seth Thomas label. You can find the label on the inside, back, or bottom of the clock case. Youll also see stamped metal labels on some clocks, as well as engraved pendulums featuring the Seth Thomas name.

What are cuckoo clocks worth?

These hand-made clocks start at around $150 for a nice 1-DAY cuckoo clock and can reach $3000 or more for a beautifully detailed work of art. Black Forest cuckoo clocks are designed to suit many different budgets.