The Golden West/Centralia/Intermountain cabeese are CA-3, -4 or -5 rivet-sides. The UP fan is still stuck with Overland for welded sides and the longer wheelbase of the CA-8/9/10, which were the lion's share of anything in "P" service. Fortunately, the Centralia models are a reasonable stand-in for the 100 CA-7s, all converted to pool service in the late '60s.
Oh - and having heard it from the horse's mouth (Centralia, a/k/a Des Plaines Hobbies) - the most recent and all future issues do not have the proper trucks. They were having so many problems with the Golden West multi-piece design that they threw in the towel and are using the new MTL caboose truck from here on out. The UP truck is a unique design, and losing this source is a big pain in the tuckus.
EDIT - The Hallmark is a CA-7.