Russian Empire. Currency stamps. Forth issue. ##A9-A11, 1917 year.
| # | Value | Description | ** | * | used |
| A9 | 1 kop. | Typo, thin paperboard, no gym, typo printing on back side, comb. perf. 13¼, orange | 2 | 1 | 10 |
| A10 | 2 kop. | Typo, thin paperboard, no gym, typo printing on back side, comb. perf. 13¼, green | 2 | 1 | 10 |
| A11 | 3 kop. | Typo, thin paperboard, no gym, typo printing on back side, comb. perf. 13¼, red | 2 | 1 | 10 |