HONG KONG 1993 (MNH) SCIENCE & TECHNOLOGY PLATE BLOCKS
Hong Kong's Contribution to Science & Technology traffic light/plate blocks x 4 (4 items): 80c (1B–1B–1B–1B–1B), $1.80 (1B–1B–1B–1B–1B–1B), $2.30 (1D–1D–1D–1D–1D–1D), $5 (1B–1B–1B–1B–1B–1B). Fresh and fine. Mint never hinged. SG747-750; SC679-682; YGC398-401
