Set of 20 Playful Pup-Themed Happy Birthday Invitation Cards & Envelopes – Lightweight (240g), Postcard Style Invites for the Perfect Party Pack 20 Invitations & Envelopes is up for auction in Office Products. The current bid is $1.00, 94% below the $17.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.