Missed the US 1¢ Franklin 'Z' Grill by a point each way? - STAMPBOARDS - Postage Stamp Chat Board and Stamp Forum
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Grills Grills Grills | Stamp Exchange
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Stamp Smarter - 1867- 1868 Grills
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Possible 3c Z Grill - SD Harris Notation On Back - Stamp Community Forum
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US Scott #85E 12c George Washington Stamp. Used. Z. Grill. PSE Cert. CV $2500 | eBay
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Price of US Stamps Scott Catalogue 85D - 1867 10c Washington Grill
U.S. Classics: Grill / No Grill / Grill Identification | The Stamp Forum (TSF)
