Antique "Happy Birthday" postcard.

Greeting reads:  A Happy Birthday.  

Measures 5-1/2 inches by 3-1/2 inches.

Written message on the back - stamped and postmarked 1920.  

Good vintage condition.  Darkening of the paper due to age.  Crease on the top center.  

Has been stored in a postcard sleeve and will be mailed in a bubble envelope to protect it in transit.

Smoke-free environment.