maozhang.net
Plum blossom was such a well-recognised symbol that it was often used on Maozhang without any obverse inscription - the message of Mao's endurance was clear.
Model plum boughs from a 1970 PLA Navy propaganda handbook
41mm 7.0g
57mm 11.9g
41mm 5.8g
50mm 8.0g
47mm 7.4g
48mm 6.6g
54mm 10.4g
45mm 8.3g
39mm 5.2g
41mm 5.5g