Robert Schoenburg

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 today? C …

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 abou …

“Stamps-Vol.4” is a database management program for stamp collectors that contains images, pricing and descriptions for all United States postage stam …

“Stamps – Volume 3” is a database management program for collectors that contains images, pricing and descriptions for all United States postage stamp …

“Stamps-Vol.4” is a database management program for stamp collectors that contains images, pricing and descriptions for all United States postage stam …

“Stamps – Volume 2” is a database management program for collectors that contains images, pricing and descriptions for all United States postage stamp …

“Stamps – Volume 3” is a database management program for collectors that contains images, pricing and descriptions for all United States postage stamp …

“Stamps – Volume 2” is a database management program for collectors that contains images, pricing and descriptions for all United States postage stamp …

QuarterMaster HD is the most comprehensive application with complete data, pricing and images of every United States commemorative quarter. All State …

Enjoy a collection of the works of twelve prominent Rococo artists. Twenty-five of each of their most famous paintings can be viewed as full-screen im …