Description of the stamp: The crossing letters TTM on the soviet metric weight and cases for them
Manufacturer: Trust of fine mechanics (Metron plant, former factory of physical tools E.S. Tryndin)
Production place: Moscow
Date: 1921 – 1933
Description of the stamp: The crossing letters TTM on the soviet metric weight and cases for them
Manufacturer: Trust of fine mechanics (Metron plant, former factory of physical tools E.S. Tryndin)
Production place: Moscow
Date: 1921 – 1933