Russia: USSR, Fifth World Congress of Trade Unions, Moscow - Hand holding Hammer 4k Plum, orange & blue

Country Russian Federation
Denomination
?
Face value of a stamp, usually printed on the stamps.
— Glossary

4k
Color
?
Original catalog color of the stamp.

Plum, orange & blue
Print method
?
Method of process of imprinting designs on paper.

Photogravure
Perforation
?
Holes punched between stamps to make separating easier.
— Basic philately terms for amateurs

12, 12.5 or 11.5
Watermark
?
A pattern embedded in a paper during stamp producing process.
— Basic philately terms for amateurs

Unwatermarked
Issue Date
?
Date inscripted on a stamp or cancellation for used stamps not necessary correspond to real date of stamp issue.
#
?
Catalog number of stamp.
— Basic philately terms for amateurs

About the sale of stamps and offline evaluation – on our FAQ page

Join to see the price

About the sale of stamps and offline evaluation – on our FAQ page