TANZANIA 1985 (MNH) DEVELOPMENT CO-ORDINATION CONFERENCE PLATE BLOCKS
Fifth Anniversary of South African Development Co-ordination Conference traffic light/plate blocks x 4 (4 items): 1s 50 (1H–1H–1H–1H), 4s (1B–1B–1B–1B), 5s (1D–1D–1D–1D), 20s (1F–1F–1F–1F). Fresh and fine. Mint never hinged. SG415-18; 254-57
