Books by Stephen R. Datz

Errors: Inverts, Imperforates, Colors Omitted on United States Postage Stamps
Stephen R. Datz

The Buyers Guide: An Analysis of Selected U.S. Postage Stamps
Stephen R. Datz

On the Road - The Quest for Stamps
Stephen R. Datz

The Wild Side
Stephen R. Datz

Catalogue of Errors on US Postage Stamps
Stephen R. Datz

Top Dollar Paid!: The Complete Guide to Selling Your Stamps
Stephen R. Datz

Stamp Collecting
Stephen R. Datz

Collecting Stamps
Stephen R. Datz

Scott Catalogue of Errors on U.S Postage Stamps
Stephen R. Datz