Look for Guatemalan airmail with inverted overprint
1922 KGV 1d scarlet OVERPRINT INVERTED variety superb MNH. SG 2a #ireland # overprint #stamps #philately | Postage stamps, Post stamp, Stamp
Lot #45 Austria: Scott#: 423 variety MI 692 k inverted overprint ** F/VF expertized – R. Schneider Stamps
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UPPER SILESIA Scott # O43 MH - Inverted Overprint On German Stamp | Europe - Germany & Colonies - German Colonies & Territories, Officials Stamp / HipStamp
Stamp: City Hall, Lima - inverted overprint in red - error (Peru) (Definitives of 1915) Mi:PE 152K,Sn:PE 193a,Bus:PE 178a
USA stamp with inverted overprint any idea of value? - Postage Stamp Chat Board & Stamp Forum
Telegraph stamp of Guatemala inverted overprint Stock Photo - Alamy
Italy Fiume #4 Error, inverted overprint, Italian Colonies Fiume 1918 Hungarian | eBay
Dutch East Indies 1911 - official stamp, inverted overprint - Catawiki
Stamp 1945, Hungary inverted overprint 20f on 18f, 1945 - Collecting Stamps - PostBeeld - Online Stamp Shop - Collecting
Stamp USA Inverted Overprint "Louiseville" RARE | eBay
Unused stamps - 2 EXTREMELY RARE 1922 UNITED STATES POSTAGE INVERTED OVERPRINT 1cent benjamin Franklin Stamp Super fine MINT.
INDIA 1 Anna 1911 Inverted Overprint MAJOR ERROR KING GEORGE V RARE INDIAN STAMP | eBay
1898 Revenue,1c Green, Red Overprint Inverted for sale at Mystic Stamp Company
Upper SILESIA Plebiscite #O39 #8 Official Stamp Block Inverted Overprint 1920 | Europe - Germany & Colonies - German Colonies & Territories, Officials... / HipStamp
Inverted overprint appeals to Nicaragua collectors
Stamp Errors
Unused stamps - BOSNIA,DOUBLE INVERTED OVERPRINT,TETE-BESCHE , MNH ERROR!!!
India KGV-- Inverted I.E.F. overprint - Postage Stamp Chat Board & Stamp Forum
Unused stamps - France occupation Hungary Arad 1919 Yvert#30a Mi#34 error - inverted overprint, mint hinged
Invert error - Wikiwand
