Stamps of Yugoslavia, 11d denom
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postage
1991, Jun 1 new Karavanke Tunnel opening issue unwmk p. 13.75
| - | 11d | multi | — | — |
1991, Jun 15 basketball 100th issue
| - | 11d | multi | two balls over baskets | — | — |
1991, Jul 4 Yugoslav Army 50th issue
| - | 11d | multi | — | — |
1991, Jul 18 Gallus death 400th issue p. 13.5
| - | 11d | multi | score & Jacobus Gallus | — | — |
1991, Sep 24 nature protection p. 13.75
| - | 11d | multi | — | — |
1991, Sep 28 APIMONDIA '91 issue
| - | 11d | multi | bees & emblem | — | — |
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