Auction 245-246
September 24-26, 2020
Lot 437
Opening: 150 €
Sold for: 280 €
SG F23 trials
1
1d. (Die 4) Colour Trials, perf. 14x14, Watermark ORB in grey-blue, claret, dull-purple and brown-purple, all very fine, cat.v. £ 840