Mongolia
| Country: | Mongolia |
| Type: | Postage stamps |
| Series: | 50th Anniversary Of Modern Transportation overprinted |
| Nominal: | 1 ₮ |
| Year: | 1975 |
| Size: | 50 x 40 mm |
| Perforation: | comb 12 |
50th Anniversary Of Modern Transportation overprinted
 Steam Locomotive overprinted |  Diesel Locomotive overprinted |  Minr 645 "overprinted" |  Minr 646 "overprinted" |
 Minr 647 "overprinted" 0.01$ |  Minr 648 "overprinted" |  Minr 649 "overprinted" |