中国心灵研究会银章,编号325,背镌好求公司印记。中国心灵研究会推广催眠术研究及培训,由广东中山人余萍客及其他人士于1909年在日本创立,1921年迁回上海。此章左面珐琅有损,整体尚佳,罕见。China, Republican era,a silver enameled badge of the China Institute of Mesmerism, Shanghai, 1920s, number 325, with hallmark on reverse, some enamel chip at left, good very fine and rare seen.