United States Stamp Catalog

Jan 21, 2016

- Added sub numbers to USD numbers in the case that a USD number has more than one Scott number.

- Added the Find by Design option.

- With kind permission from Brookman Stamps Company, the catalog can import stamp prices of various grades as published in the 2013-2014 price list on the web site www.brookmanstamps.com.

- Added the option to add catalog numbers from Scott, Stanley Gibbons, Michel and Yvert & Tellier.