Jewelry & gold · a closer look
Uncas Manufacturing Co. mark: CRYSTOGEM
Mark details
- Period
- Undated
- Wording
- CRYSTOGEM
Dating cue
Crystogem name on an example dated 1927.
Notes
Mark: Courtesy RCJ
Other Uncas Manufacturing Co. marks




Jewelry & gold · a closer look
Crystogem name on an example dated 1927.
Mark: Courtesy RCJ



