1 1/2d Brown KGV1 Block 4 Registered No 3371, postmarked COLLINGWOOD, Vic 22?/11/1939 & Melbourne 24/11/1939 & San Pedro, California 26/12/1939 & Easton, Pennsylvania 1/1/1940.
OPENED and PASSED BY CENSOR.
Another cover with stamp issue + postmark + militaria interest, in my opinion