U.S. Back of the Book Collections, Collection of mint Duck stamps. #RW1// RW64, 61 mint incl. RW1 (no gum), RW4 o.g., RW6 n.h., RW7 o.g., RW8 o.g. very l.h., RW9 o.g., RW34 on n.h., Fine to Very Fine. Estimate $900.
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