Most collectors are familiar with the ordinary Cal .30 LR (pre-NATO) cartridges, but there are several that are seldom seen except in advanced collections. Here are a few that I have. Maybe this will spur your interest and you’ll show us some of yours?
left to right:
T65 with M1 Tracer bullet. FA 46. Also found with the T10 and FAT8 tracer bullets.
T103E1 Observing. FA 51. A rarer version is the T103 in the FAT1 case with a modified T99 bullet.
T104. FAT1E1 case headstamped FA 50 with FB T11 bullet.
T65E3. FA 49. Loaded with GMCS M2 bullet. Usually seen only in the WCC54 case.
T172. FA 51. Cal .30 Ball M1 bullet. Sent to APG to test effect of heavier bullet on exterior ballistics.