| GAMM 2 different Cachets Varieties Love 1982 Issue |
| GAMM COLOR : 1994 WASHINGTON & JACKSON w/ $5 St. Bonus |
| 3 different GAMM Block Of 4 Stamps FDCs |
| Purple Heart #U603 Gamm Hand Colored By Swindall |
| GAMM 2 different Cachets Varieties Touro Synagogue |
| 2 DEAFNESS FDCs GAMM Dual And Artmaster |
| GAMM COLOR : 3 Different Flag FDCs w/ 16 Stamps in All |
| GAMM 2 different Cachets Varieties George Washington |
| 2 GAMM Oil Wagon Varieties with Nostalgia Imprints |
| 2 GAMM Cachet Varieties Treay Of Paris FDCs |
| 1835 Indian Art Tingit Bear Mask Gamm Cachet FDC |
| GAMM #1843 Horn & Drum Christmas 1980 |
| Helen Keller & Anne Sullivan #1824 Gamm Hand Painted by |
| 10 US FDC's GAMM Cachets Unofficial Cancels |
| 1841a ARCHITECTURE BLOCK OF 4 FDC - GAMM CACHET |
| Harry S Truman #1762 Hand Painted by Swindall Gamm |
| General Bernardo de Galvez #1826 Gamm 1st Hand Painted |
| 7 US FDC Set #1738-42 & 1742a Windmills GAMM Cachets |
| Seeing Eye Dog set of 7 #1787 Gamm cachet First Day |
| 10 US FDCs Regular Issues GAMM Cachets Multiple Cancels |
| Swindall/Gamm's Hand-painted #UX95 LaSalle claims LA |
| ALASKA 25th Statehood FDC w/Snowmobile GAMM Cachet |
| 9 US FDCs Regular Issues GAMM Cachets Unofficial Cancel |
| Swindall/Gamm's Hand-painted #UX96 Academy of Music |
| 16 UO US FDC's Architecture Series '79-82 GAMM Cachets |
| #1825 Veterans Administration Gamm Cachet |
| UO US FDC #2046 Babe Ruth GAMM Cachet |
| 10 US FDC Set #1912-19 Space Achievment GAMM Cachets |
| Swindall/Gamm's Hand-painted #1897A Locomotive 1870s |
| Swindall/Gamm's Hand-painted #2131 Stutz Bearcat 1933 |
| Swindall/Gamm's Hand-painted #2089 Jim Thorpe |
| 3 US FDC's #1816 Liberty Torch GAMM Cachets |
| 2603-4 Eagle and Shield PNC Strips of 3 FDC by Gamm |
| CRANE FAMILY FDC'S - GAMM CACHET - 1994 |
| C130 - 50c AIRMAIL - 4 CITIES - SAME DAY - GAMM CACHET |