1966 stamp Series International Scientific Congresses №3223-3227

1966 stamp Series International Scientific Congresses №3223-3227

Stamp Series International Scientific Congresses

Series: World Congresses 1966
Catalog Code: MI: SU 3175-3177, 3186, 3246 ZAG: SU 3223-3227
Topics: Conferences | Microskopes | Science | Minerals | Birds | Birds homemade | Mathematics
Release Date: 1966-01-28 - 1966-07-20
Date of expiration date: 1992-01-01
Size: 40 x 28 mm
Color: Multicolor
Format : stamp
Edition: Memorable (Jubilee)
Perforation: Grebenhawned11½
Printing: Photocherry
Nominal value: 6 Russian penny
Circulation: 4 000 000