Proof Block of Four 6c Olive Green trial color plate proof on wove paper (224TC), block of four, huge margins on three sides, ample margin at B., full o.g., trivial natural inclusion, very fine-extremely fine, with 1989 P.F. certificate, Scott retail $480.00est.

Details

Proof Block of Four 6c Olive Green trial color plate proof on wove paper (224TC), block of four, huge margins on three sides, ample margin at B., full o.g., trivial natural inclusion, very fine-extremely fine, with 1989 P.F. certificate, Scott retail $480.00est.