Semipostal stamp from Luxembourg to support the International Relief Fund for Intellectuals - Science History Institute Digital Collections

Depicts a scientist in a laboratory setting looking through a microscope.

Luxembourg Stamp: 1937 SC#B85 National Philatelic Exposition m h: S/S sheet: Rare, We ship to worldwide., We combined shipping cost for the multiple

Luxembourg Stamp:1937 SC#B85 National Philatelic Exposition m h: S/S sheet | Europe - Luxembourg, Semi-Postal Stamp

Date: 1800 to 1999 - Science History Institute Digital Collections Search Results

Witco Stamp Collection - Science History Institute Digital Collections

Luxembourg Semi-Postal Stamps for sale

Date: 1800 to 1999 - Science History Institute Digital Collections Search Results

Science History Institute Digital Collections Search Results

U.S. and Worldwide Stamps - June 11-12, 2003

2014 Forever International Stamp – Geophysical Fluid Dynamics Laboratory

Big Blue 1840-1940

Stamp Issuing Entities Of The World

Witco Stamp Collection - Science History Institute Digital Collections