I have a disassembled about half a dozen Elgin 12s pocket watches, grades 301 303, class 113 114 and so far all of the pallet forks have had the same look except for the one that I'm currently working on. The fork on the left was found in Elgin S/N 12247427 which is a grade 301, class 113, model 2, year ~1905 The fork on the right is typical of what I've seen in these, this one happens to be from S/N 13148150, grade 301, class 113, model 2 The Elgin 1915 catalog has an image