Solid acrylic lucite large display block.  

• 6" tall x 4" wide x 2.5" thick. 
• Excellent condition with very minor light wear. 
• Heavy weight. 
• Vintage Mid-Century Modern. 
• Cutout portion is 7/8" deep.
• 2 lbs. 3.8 oz.
• Crystal clear.

Once used to display jewelry in a high-end store.