SARAWAK 1965 (VARIETY) 6C SPATHOGLOTTIS PLICATA IMPERFORATE PAIR
6c Spathoglottis Plicata right marginal imperforate pair. Scarce. Fresh and fine. Mint never hinged. SG215var; SC231var; ISC227c
Note: although listed as an error in some catalogues, the absence of discovery provenence means these may be proofs. Either way, examples rarely surface on the market