15 Vintage (used) Baby Cards - 1950s

Offered is a batch of pre-owned baby cards from the late 1950s. All are originals, not modern reproductions. All are written in from when they were sent and are offered as-is. Brands include Hallmark, Buzza-Cardozo, Plastichrome, Pollyanna, Miller Art, Norcross, Elegant... Nice vintage collectibles or possible craft project?