$3.00 1964 Hunting Permit (RW31).
Mint N.H. bottom right complete pane of 30 with plate no. 168629 at bottom and signed by Secretary of Interior Stewart L. Udall and Postmaster General John A. Gronouski,
some slight toning at edge of selvage at top and bottom, still Very Fine and rare double signed pane containing this this scarce plate block, beginning in 1958 duck stamps were printed by rotary press and plate blocks were collected as corner blocks of four, this issue had the plate no. mistakenly entered below the second stamp from the bottom right, collectors assumed a plate block of four was still the correct format and many sheets were broken in this manner before the realization that the correct format for this issue is a block of six, Scott Retail as plate block and singles without regard to the signatures
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