This is a vintage 1950s Hazel Atlas white milk glass 'Hopalong Cassidy' mug with green graphics. The mug features an image of actor William Boyd in character as the cowboy hero Hopalong Cassidy, holding a pistol. The text "Hopalong Cassidy" is written vertically in a stylized script to the left of the image. It is a collectible item from the 1950s, a popular piece of television memorabilia. The mug is made of milk glass