He found something like a poster from a flea market or a thrift store and unfolded it. She said she loved it. However, I've watched the movie twice now, and I can't figure out what he was showing her. Anyone else know?
I don't know why I find it so incredibly sad that the OP didn't know it was a gatefold sleeve vinyl album, and worse still they they didn't know it was Abba! I'm wondering if 40 years from now people will be shown CDs and blu rays and say 'what's that?'
They are now commonly available at Best Buy and B&N, as well as many re-sale shops. No, they're not as common as they once were, yet are hardly out of the public eye.