Robert Schoenburg

Canada Coin Checker

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Did you know that four different varieties of the Canadian five cent piece were minted in 1947 and that one of them is worth more that $1,700...

U.S. First 100 Years Postage Stamps

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Stamps Volume 1 is a database management program for collectors that contains images, pricing and descriptions for all United States postage stamps...

U.S. Coin Checker

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Did you know that six different varieties of the one cent piece were minted in 1909 and that one of them is worth more that $4,000 today?Curious...