Vintage 1950's 3-D Christmas card with original glasses

Awesome vintage Christmas card is aChristmas card with original 3-D glasses to view the card. The little bear on the front says: 3-D Christmas Greetings. Open the card and there is a Christmas illustration and a pair of 3-D glasses.The inside of the card says "To wish you a Delightful and Dandy____Dec. 25!". Measures 5 x 6. Made by Fun A Plenty. Including the original envelope, but it will have to be steamed open and has a small corner stain. Card is perfect & unused with no writing or rips. Includes the 3-D glasses.