maozhang.net
Aside from Mao's portrait, the only justification for grouping these badges is their small size and visual appearance, which exploits the dramatic contrast between red and white.
h. 26mm w. 17mm 1.5g
h. 25mm w. 18mm 1.8g
h. 27mm w. 19mm 2.2g
h. 25mm w. 25mm 1.4g
h. 18mm w. 24mm 1.7g
h. 19mm w. 27mm 1.2g
h. 29mm w. 20mm 1.8g
h. 24mm w. 19mm 1.8g
h. 22mm w. 18mm 1.4g
h. 23mm w. 25mm 1.9g
h. 17mm w. 14mm 0.9g
h. 24mm w. 28mm 2.5g