Vintage Foil Christmas Cards Envelopes Snow Cottage Plus Mark 30 Scene USA

2 different boxes of Plus Mark Christmas Cards Scenes have foil look foil on inside top of envelopes Open box (on left in photo) has silver foil in envelopes Complete box (on right in photo) has gold foil in envelopes 12 in open box (with some creased envelopes) 18 in sealed box Total of 30 cards 8.25" wide Never written in. 1 is open box, incomplete 12 cards and envelopes. 1 box some damage to box and rippling of card on top. unsure if gummed adhesive will work due to age