Undated (19th Century) Mint Director James G. Pollock Portrait Medallion. Uniface. Bronze. Choice Mint State.Approximately 23 mm x 27.5 mm, irregular rectangle, with indented corners. Bust of the mint director left within decorative frame, similar in appearance to a postage stamp. The reverse is blank, but with a very faintly engraved J.G. POLLOCK in cursive, probably added later.