1c-90c 1857 Reprints, Plate Proofs on Card (40P4-47P4).
Complete set, huge margins to barely touched on 30c including what may be sheet margins on a few, rich colors, accompanied by original envelope
with printed "United States Postage Stamps 1851 Proof Specimens" (small piece out at right), Very Fine and choice, rare encountered with the original envelope, Scott Retail with no premium for the envelope
Image Magnifier / Download
Power Search for Comparables