Lot
472 
Hunting Permit, 1935, $1 Canvasbacks, bottom right corner margin plate block of 6, o.g., never hinged, free of any creases that usually plague these early issues, choice centering throughout, bright and fresh, an Extremely Fine gem; with 2012 P.F. certificate. Scott No. RW2 $11,500.
ONE - IF NOT THE FINEST 1935 $1 CANVASBACKS PLATE BLOCKS IN EXISTENCE.
Realized: $5,000