The Z Grill – U.S. #85A — Mystic Stamp Discovery Center
Stamp Smarter - 1867- 1868 Grills
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Scott #85B Jackson Z-Grill Unused Stamp with PF Cert!!! | United States, General Issue Stamp / HipStamp
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The Z Grill – U.S. #85A — Mystic Stamp Discovery Center
1867 15¢ Lincoln Z grill sets record in Cherrystone sale of New Amsterdam collection
10 cent Z Grill stamp highlights Natalee Grace Collection at $260,000
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Grill (philately) - Wikipedia
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Robert A. Siegel Auction Galleries, Inc. Sale - 1032 Page 18
Values of US Stamp Scott Cat. # 85E - 1868 12c Washington Grill
1867 2c Z-Grill stamp set to auction with $17,500 valuation
The New Amsterdam Collection of United States Rarities - July 10, 2019 - 1867 Z. Grill - 10c green The Finest Known Example
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