Here are some examples of varieties found in Irish Commemorative Stamps. Click on the links below the stamps to view the varieties. The following abbreviations are used in the descriptions. "Scott" or "Sc" for " The Scott Standard Postage Stamp Catalogue", "MW" for The MacDonnell Whyte Stamps of Ireland Specialized Catalogue", and "Hib" for "The Hibernian Specialised Catalog"
1950 Holy Year
Issued in single pane sheets of 60 (10 x 6)
2 1/2d Scott #142, MW #C36a "Minor retouch" - No graphic available. The MW catalog indicates there are at least 40 retouches identifiable on this stamp, but doesn't show any. Does anyone have any reference for these retouches?