CardsBoston Studio Note Cards: The 5 ½” X 4” note cards are printed on high quality paper and each is accompanied with a matching envelope. The historic photo is printed on the front of the card. Biographical information of the person is printed on the back of the card, along with information about the Boston Studio Project. The inside of the card is blank. The cards may be purchased individually or in an assorted package of 6 different cards in one package.