No block images found
Issuer: Thailand
Block in sheet 1550
Date: 12/5/1974 (1974 blocks)
(4, 2 x 2)
1, 1: 72s d=Vanda coerulea (1974)
1, 2: 2.75b d=Dendrobium aggregatum
2, 1: 3b d=Dendrobium scabrilingue
2, 2: 4b d=Aerides falcatum