Why, 'Hello, Honey!' Aren't these retro, collectible cards so very cute? Adorable kids' cards that date the mid-'50s, the colors of these old stock Valentines are as bright and vibrant as the day they were made sixty years ago. The mint condition, die-cut cards were printed on a lightweight cardstock. We acquired these Valentines still in their glassine packages with paper labels that read "Hallmark Cards".