Collection of three New York Yankees World Series press pins spanning the years 1955 to 1960. These pins were issued to our consignor's father, who was a prominent New York City sports editor at the time. Each features a threaded-post reverse and is complete with its original clasp. 1) 1955. EX-MT. No manufacturer's markings, but produced by Balfour. 2) 1958. EX-MT. Balfour engraved on the reverse. 3) 1960. EX. Balfour engraved on the reverse.