Lot 590
  
Airmail, 1937, 50¢ China Clipper (C22), full top margin plate no. 21624 block of six, the rare wide selvage variety, beautifully centered, bright and fresh, original gum, never hinged, Extremely Fine.
Estimate 750 - 1,000
A SUPERB EXAMPLE OF THE LARGE FULL TOP PLATE BLOCK, OF WHICH WE ESTIMATE THERE ARE NO MORE THAN 12-15 EXTANT.
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| Realized $1,200 |
