| DOMINICA 1968 1c National Day, Inverted Overprint, MNH |
| DOMINICA 1968 3c National Day, Inverted Overprint, MNH |
| US, 6¢ Transport, C25 type, inverted RF overprint, MNH |
| R155c Inverted Overprint |
| SCOTT #RF22 PLAYING CARDS INVERTED OVERPRINT USED |
| Narcotic Tax Stamp used RJA15 Inverted Overprint |
| SCOTT #RF17 PLAYING CARDS INVERTED OVERPRINT USED |
| SCOTT #RF25 PLAYING CARDS INVERTED OVERPRINT USED |
| COSTA RICA - OFFICIAL #O44d - "INVERTED OVERPRINT" |
| PERU Mint Inverted Overprint Sigles Group! |
| GUATEMALA 87a INVERTED OVERPRINT MINT ERROR |
| PERU - 1923 ERROR, INVERTED OVERPRINT BLOCK ON COVER. |
| Argentina # C1 MHR & C8 MNH Inverted Overprint Issues |
| ECUADOR - OFFICIAL - #O6 - "INVERTED OVERPRINT" MINT/NG |
| BOLIVIA Mi#192 MH Airmail Inverted Overprint! signed |
| PERU - 1916 INVERTED AND DOUBLE OVERPRINT. |
| PERU - 1930 INVERTED AND DOUBLE OVERPRINT. |
| BOLIVIA Mi#185-187 MH Inverted Overprint! CV €700/$10 |
| BOLIVIA Mi#189 MLH Airmail Inverted Overprint! Signed |
| FIUME - 1920 INVERTED OVERPRINT ERRORS FU |
| FIUME - 1920 Inverted overprint errors 5c, 10c and 20c |
| FIUME - 1918 POSTAGE DUE INVERTED OVERPRINT ERROR |
| Saar 1922 MI Service 3IK inverted overprint signed MNH |
| Lebanon Scott #B13 Inverted Overprint Error MNH Stamp |
| SAUDI ARABIA W/ INVERTED OVERPRINT NH ! |
| - Dubai - UAE - 1964 - MNH - Inverted overprint - Space |
| RUSSIA, AZERBAJAN, 1920ties INVERTED OVERPRINT ON STAMP |
| 1929 SAN PEDRO TO NEW YORK FDC WITH INVERTED OVERPRINT |
| fr.occupa.2f inverted overprint,Sc 2N6 brown org |
| $20 FRN 1950A INVERTED OVERPRINT GEM UNCIRCULATEDCGA-66 |
| GA139 GREECE THRACE VL 26B INVERTED OVERPRINT USED |
| GA142 GREECE THRACE PAIR VL 12C INVERTED OVERPRINT USED |
| GA140 GREECE THRACE PAIR VL 12C INVERTED OVERPRINT USED |
| E144 GREECE THRACE VL 12c WITH INVERTED OVERPRINT MH |
| Greenland #24 Inverted Overprint Only 400 Known NH |
| Greenland #21 Inverted Overprint Only 400 Known NH |
| Greenland #26 Inverted Overprint Only 400 Known NH |