Here's a direct link to the Crosnoe gun:
http://www.crosnoeguns.com/itemdetail.asp?ID=5097
The case colors on this A-1, appear to my eyes, to those that have been done by John Gillette of Classic Guns, Inc. I have found that flash from a camera will bring out more of the straw/yellow colors, under natural daylight these colors are not nearly so accentuated. Here's another DHE Parker Repro that Classic Guns recolored for comparison---obviously not Parker Bros. colors, but nonetheless, very beautiful colors in their own right: