Vintage Antique Glass Bottle Cruet Decanter Stopper Green Mushroom Gold BIG 4 1/4" tall.  Mushroom shaped top.  CHIP on the base

The width at the top of the stopper is 1 1/6"

The heighth of the stopper portion is 1 3/8"

The width at the base is 3/4"

Shelf:  #ddd