| LATVIA | 1928 (31 May) Riga - Russia, Petrofrad (5 June) Air multifkd env triangular stamp. Mail to Russia is scarce. VF. |
U$ | 100 |
| LATVIA | 1928 (31 May) Riga - Russia, Petrofrad (5 June) Air multifkd env triangular stamp. Mail to Russia is scarce. VF. |
U$ | 100 |