Item: Vintage Mint Green Art Deco Antique Vintage Celluloid Engagement Wedding Gift Display Ring Box.
 
Measurements: 2 & 1/2 inches X 2 & 3/8th inches across. 1 & 1/4 inches tall. 
 
Condition: Vintage, previously owned. Someone has marked this with pencil inside the indent on the bottom (see the photos). It looks removable. There are no chips or cracks - there is light fading on the edges.