Single copy! New, unused since production! This item will take pride of place in your collection.

Vintage postal seal with variable values - for dates, has 8 digits. 

It was used for stamp imprints in the postal services of the USSR. 
Year of manufacture 1970s. 
The stamp shows the sign of the USSR, "CCCP CMOLEHCK 12"

Stamp material - steel, handle material - carbolite

Height 12.5cm
Handle diameter 2,5cm. 
Weight 158g

A very rare thing, single copy, not used.