Here's a unique Vintage Michigan Wolverines blue baseball cap with a maize bill with adjustable size band in back. This hat is from my collection and was purchased in the late 1990s. The hat features "Michigan Wolverines" with the block M embroidered on the front, It has a yellow button on the top centerband two yellow stitched vent holes on top. The bill is maize on the top and green on the bottom. Excellent condition.