Bhutan
BHUTAN - AMAZING 1960's PROOFS, TRIALS, REVENUES & ERRORS COLLECTION. Includes 1962 unissued Anti-Malaria sets (5) which each include the 33ch trial colour, plus 33ch sheets of 50 (4) including a sheet of the trial colour, 1964 Dorji & JFK unissued imperf proofs on Harrison & Sons cards, 1967 5nu "Air Mail" inverted overprints sheets of 25 (3) also a regular sheet plus 36 individual stamps with inverted overprints, 1968 Olympics various overprint errors (missing silver, missing overprints), 1973 trials of the unissued Scouting liquid crystal sets (4) & miniature sheets (5), various Revenues in blocks NHM etc. (approx 900 stamps & 5 proofs)