This is a Very Rare NOS Antique 1923 Dictograph Radio Loud Speaker Headset Applause Post Card RCA Store Promo.  It is in excellent cosmetic condition with some fading/yellowing from storage and age.  The post card measures 5.25 wide and 3.25" tall.  The post card will come with cardboard backing for safety in shipping.  This came from an old radio store that has since gone out of business and has been in storage since the 1920's.  Free Shipping!  Thank you!