maozhang.net
h. 27mm w.20mm 2.4g
h. 29mm w. 20mm 2.4g
This logo appears to be the same as the one on BM cat. no. 62; in which case it could be the logo of the Central Political Department of the People's Liberation Army, or the logo of a factory that made badges for the CPD of the PLA.
33mm 3.2g
23mm 2.4g