宣统贰年（1910年）香港宜华大药房金铭氏有限公司息摺，股票持有人潘益记，派息记录一直到1938年，保存完好。宜华大药房于1910年由香港第一位华人药剂师郑金铭开创，药房营运76年至1986年才解散。现今位于香港皇后大道中51号之金铭楼乃郑氏家族当年旗下物业 Edward Dispensary, C. KamMing & Co. Limited, Hong Kong, a receipt book of shareholder interest, shareholder Poon Yick Kee, Xuantong Year 2 (1910), Interest paid annually up to 1938, with various red shops and an embossed chop at top, well kept, with only minor handling. Edward Dispensary was established in 1910 by Cheng Kam Ming (C. Kamming) who was the first locally registered pharmacist in 1908. The dispensary was closed in 1986 after running for 76 years. Kamming House on no.51 Queens Road Central was named after him.
