The card is created with designer paper by Graphic 45 in the Botanical Tea set. The inside stamp (embossed white) is a Penny Black Stamp "Friendship"
Diagonally score top left to bottom right on the outside panels from top center and then outside left of the card. S&F back. DP is diagonally cut 2 1/2 x 5 1/8 (two pieces) Create tag or magnetic closure if desired. The tutorial that inspired this card is HERE at Barb Stamps.