| Added by |
 Maciej Pasztor
|
| Face value | 30 groszy |
| Catalog code (Michel) | 1587 |
| Catalog code (Scott) | 1324 |
| Catalog code | Polish Stamps Catalog 1438 |
| Series | World Championships of Finn Class Yachts Gdynia, July 22-29. |
| Place in series | 1 |
| Stamp colour | Multicolored |
| Stamp use | Commemorative stamp |
| Print run | 6,656,000 |
| Issue date | 14/06/1965 |
| Designer | Jerzy Jaworowski |
| Paper type | White, middel, chalky |
| Print technique | Offset |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12½ (comb) |
| Height | 46.00 mm |
| Width | 35.00 mm |
| Catalog prices | No catalog prices set yet |
