Blue Chip Casino Shot Glass. Porcelain or Ceramic Material. Front of Glass has the Blue Chip Casino Name and Michigan City Indiana Name in Blues. Back has a full Color Picture of Ship at Dock. Actual Shot Glass is About 2 1/4 Inches Tall and About 2 Inches at Widest. I find no Markings on Bottom of Shot Glass except gummy remains from Sticker. Unknown Vintage and Origin. No Chips or Cracks with All Colors Strong and True.