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1868 1¢ Benjamin Franklin Z-Grill-USA's rarest stamp! | The Stamp Echo
One of the USA’s rarest single stamps is the 1868 1¢ Benjamin Franklin Z-Grill. Printed and grilled in 1868, the Z-Grill design was not used for very long, a couple of weeks at the most. That short production time is what accounts for it being so rare today. As explained in a previous article, a ... Read more