5c Blue, With Gill (179c). Original gum, rich color and crisp impression, clearly-defined grill points -- a couple of which pierce the paper (typical for this), Fine and scarce, it is believed that the Continental grills were made experimentally in 1876, after a stamp-cleaning court trial renewed fears of stamp re-use, the primary source of the rare J Grills was the Worthington collection, which was dispersed in 1917, it is believed that most or all examples in collectors' hands came from the archive of Charles F. Steel, who patented the grilling machines used between 1867 and 1873, with 1975 P.F. certificate stating only "o.g., genuine", the 2020 Scott value of $9,500.00 must be a typo (it has been $4,500.00 for years prior)

Image Magnifier / Download

Power Search for Comparables