MALAYA 1961 COLOMBO PLAN CONFERENCE IMPERF COLOUR TRIALS
Colombo Plan Conference imperforate colour trials in Government Printing Bureau, Tokyo presentation folder with manuscript notes signed and dated '22.8.61' by the Postmaster General, E M May. The top row of trials in issued colours, but with unadopted values. The remainder unadopted. Believed unique in this format. Folder with a few bends and minor ageing otherwise fine. SG20var-22var; SC99var-103var
