Mark Dahl TCAA Card Suit Bit. Beautiful Mark Dahl bit from the 2000 Traditional Cowboy Arts Association (TCAA) Sale & Exhibition. The bit is a duplicate of the one he made for the very first TCAA sale, except that first bit featured hearts and diamonds, whereas this example features clubs and spades. A true work of art, with fine engraving. Triple slobber chains with a central heart spacer. Brian Lebel's Old West Auction - January 20, 2017, Mesa, AZ. Estimate $7,000-10,000.