The 737 has a large, clean chip out of the skirt, but it displays mint. The 731 is a Stoddard mold. it passes some light through the skirt and is a dark honey amber. There is chipping to the skirt and base. The 728 just has a flake off the base. It's slightly deformed from tong handling and almost looks like a 728.4 from certain angles. $1,000 for all three and price includes shipping.