The item available here is a new old stock Columbus Electric thermostat.  It comes as shown in new condition with only light shelf wear.  It has not been tested, but the switch clicks when the dial hits ambient temperature.

This item has not been tested, and comes with a 30 day return policy from the date the item was shipped. Postage is not covered.

Here's the specs:

Part No: CKT121AF

Items will be paid for immediately and will be shipped using USPS or UPS.