Niagara Falls Shot Glass. Mini Mug Style. Unknown Material, It Could Be Ceramic or Porcelain. Raised Illustrations Wrap Around the Glass. Front shows the General View Niagara Falls while Raised Trees Leaves Ground Woman and Dog Wrap Around the Glass. The Mug Handle incorporates with a Tree and has a Wooden Look. Bright Blues Greens and Browns Dominate. Actual Mini Mug Shot Glass is About 2 1/4 Inches Tall and About 2 Inches at Widest. Bottom of Mug shows Made in Japan. Unknown Vintage. No Chips or Cracks with all Colors Strong and True.