A wee 21st Posted by cpdesign22 on April 2, 2015 Posted in: print. Tagged: 21st, Birthday, card, cards, gatefold, happy, invites. Leave a comment Invites for a 21st birthday, the brief was to create an invite with a New York theme. Designed with a gatefold opening, which opens up to a collection of photos. Printed on 280gsm gloss card.