1912年香港有利银行贰拾伍圆试色样票,PMG55,罕见!。Mercantile Bank of India, $25, colour trial, issue of 1912, brown frame on black and pale green, 25 at each corner, dockside scene at left, manuscript signature at bottom right, reverse green and black, Mercury ar centre, printed Specimen Waterlow and Sons in red, control number 2332 on top border,(Pick 237ct), PMG 55 About Uncirculated, an iconic Hong Kong note and an unusual denomination, very rare