#1452-1460 Poland - Birds in Natural Colors (MNH)
1966 Birds in Natural Colors; Black Inscription, Set of 9. Designs: Forest Birds: 10g, The eight birds of the set combined. 20g, Green woodpecker. 30g, Eurasian jay. 40g, European golden oriole. 60g, Hoopoe. 2.50z, European redstart. 4z, Siskin (finch). 6.50z, Great tit.