The envelope with commemorative stamp ““Benefactors of Russia” series. N.P. Ryabushinsky (1877–1951)”.
| Denomination |
Printing company |
Paper |
Printing method |
Format of the envelope |
Glue layer |
Edition |
| 9.00 |
Ryazh Printing Factory of Goznak (RPFG) |
High Whiteness Modified (HWM) |
Offset |
114 × 162 mm |
glue |
57000 |