Auction: CSS08 - The Philatelic Collector's Series sale
Lot: 97
THAILAND: 1979 Letter Writing Week Imperforate Color Trial Proof (Scott 890-3), set of 28 values, all different and printed on full gum white paper with watermark “Harrison & Sons London” in script letter, including 75st(7), 2b(7), 2.75b(7) & 5b(7), rare and difficult set (28).
Estimate
HK$1,500 to HK$2,000