£2,000 - £2,500
1930 'Columbia' airmail 50c Surcharge on 1919 36c sage-green, M, very fine. Scarce. (1) SG.191, Cat. £6000, BPA Cert. 2002 states 'Pos. 1 of Setting.' Philatelic Foundation Cert. (New York, 1950) also accompanies.
Fees apply to the hammer price:
Free Registration
18% inc VAT*