A view of a Pittsburgh Pirates pill-box style black cap with yellow News Photo - Getty Images

271,588 Pittsburgh Pirates Photos & High Res Pictures - Getty Images

271,588 Pittsburgh Pirates Photos & High Res Pictures - Getty Images

circa 1976 Pittsburgh Pirates New Era Pillbox cap in Mustard

527 Pittsburgh Pirates Hat Stock Photos, High-Res Pictures, and

Style and Error: Ranking every MLB uniform, Part 1 (30-16) - The

A New Era pillbox Pittsburgh Pirates baseball hat is seen in the

Pittsburgh Pirates YoungAn Pillbox Vintage Black Snapback Hat Baseball Retro, Measures 3.75” in height, Condition: Good vintage condition - Some

Pittsburgh Pirates YoungAn Pillbox Vintage Black Snapback Hat Baseball Retro

The 5 best and 5 worst looks in the Pirates' legendary uniform

Dave Parker and the 1979 Pittsburgh Pirates. : r/OldSchoolCool

Late 1970's Pittsburgh Pirates Cap designs