A small proportion of badges carry a reverse logo. Some of these, such as CHINAPRODCO and NLIP, were issed by official trade organisations. Other logos may contain an element of Chinese calligraphy.

log3 log3r log4r log4 log5 log5r loga2 loga2r loga3 loga3r log8 log8r

h. 23mm   w. 25mm    2.0g

42mm   6.9g

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21mm    1.2g

42mm   6.0g

h. 27mm   w. 23mm    2.0g