| SOCIEDAD FILATELICA DE PUERTO RICO | |||
| ARMY POST OFFICES (APO'S) | |||
| 845 | MIA N.Y. | Aguadilla, PR | 4/20/42 |
| 846 | MIA | Fort Buchanan, PR | 4/20/42 |
| 847 | MIA Henry Barracks | Cayey, PR | 4/??/42 |
| 848 | MIA Losey Fields | Ponce, PR | 3/17/42 |
| 850 | MIA Camp Tortuguero | Vega Baja, PR | 4/??/42 |
| 851 | MIA Ft. Brooke | San Juan, PR | 1/2/42 |
| 853 | MIA | Camp O'Reilley, PR | 7/21/42 |
| 854 | MIA Camp Ensenada | Ft. Bundy, PR | 9/28/43 |
| 09845 | APO N.Y. - AIR | Ramey AFB, Aguadilla, PR MAO | 67 |
| 09851 | APO N.Y. Ft. Brooke | San Juan, PR MAO | 67 |
| 09550 | FPO N.Y. | Ponce, PR - Navy or MCPO | 69 |
| 09555 | FPO N.Y. | Sabana Seca, Toa Baja, PR | 69 |