These are handpicked vintage addition & subtraction flashcards collected from all over the USA. Sepia toned thicker cardstock with black numbers on both sides. One side is addition, one side is subtraction. Sold individually & randomly. ONLY INCLUDES ONE FLASHCARD. These are a customer fave--great for crafts, table numbers, gift tags, display & more! Available in two SIZES: 4" x 6" and 3" x 6".