Collecting Supplies & Books

100 Greatest American Stamps, by Janet Klug and Donald J. Sundman, with a foreword by William H. Gross, offers a richly illustrated journey through the most important and beloved stamps ever issued in the United States. More than a price guide or photo...

High quality, pre-folded, and peelable! This pack of 1,000 stamp hinges is designed to mount and display your favorite postage stamps in your album or to create custom designs on Harris blank or Speed-rille® pages.  *some packs may include...

The triplet lens consists of three of the highest quality optical lenses, expertly bonded and ground to form one triplex lens. Chrome Finish. An excellent loupe when crystal clarity is necessary for critical inspection. The triplet comes packed in its...

Showgard® 57/55 Fits US Regular Issue Plate Blocks • 25 mounts per pack Use these mounts to hold stamps such as: #837 — 3¢ Northwest Territory Plate Block (1938) #907 — 2¢ Allied Nations Plate Block (1943) #1397 —...

The 2025 annual page supplement for the H.E. Harris Canada Album includes issues released up to November 30, 2025. 60 pages printed on one side.

2025 annual supplement pages for the H.E. Harris U.S. Plate Block Album. Includes commemorative and regular issues released up to November 30, 2025. Fits all Harris binders - 30 pages printed on one side.

The 2025 annual supplement pages for the H.E. Harris Liberty® I Album are now available! This supplement includes designated spaces for commemorative and regular issue singles, se-tenant blocks, booklet panes and singles, as well as coil singles and...

Showgard® 106/55 Fits US 3¢ & 4¢ Commemorative Plate Blocks • 20 mounts per pack • Can be cut to size Use these mounts to hold stamps such as: #894 — 3¢ Pony Express Plate Block (1940) #1020 — 3¢...

The 2024 annual page supplement for the H.E. Harris Plate Block Album includes all commemorative and regular issues released up to November 30, 2024.

This 2024 annual page supplement for the H.E. Harris Liberty I Album includes commemorative and regular issues released up to November 30, 2024. 

The Collector’s Guide to Postage & Fractional Currency: The Pocket Change of the Union by Robert J. Kravitz earned the 2004 Literary Award from the Professional Currency Dealers Association and quickly became a must-have reference for...

Showgard® AV 41/31 Fits Vertical US Semi Jumbo Single Stamps • 40 mounts per pack Use these mounts to hold stamps such as: #1564 — 10¢ American Bicentennial - Battle of Bunker Hill 200th Anniversary (1975) #2869 — 29¢...