SUDAN 1935 SG68a Mint Air 15m on 10m surcharge double
Stock Code: P190017106
1935 Air 15m on 10m black and carmine, vertical strip of six with sheet margin at top, ERROR SURCHARGE DOUBLE, very fine o.g. (five stamps unmounted). A splendid showpiece multiple of this spectacular error, of which only one sheet of 50 existed, and particularly desirable in this form, showing the second surcharge misplaced to the top with an impression in the margin. Ex Danson (RL 28 Apr 1977). BPA cert (2011).
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