Quick view #RB17b 1875-81 6c Proprietary Stamp,watermark, perf, violet blue $21.00 - $32.50 Add to Wishlist View All
Quick view #RB17a 1875-81 6c Proprietary Stamp,silk paper, violet blue $30.00 - $45.00 Add to Wishlist View All
Quick view #RB18b 1875-81 6c Proprietary Stamp,watermark, perf, violet $49.00 - $75.00 Add to Wishlist View All