GH is Parker D3 3 Iron "Oxford"
DH is Parker D4 4 Iron "Turkish"
Lots of information here Jim
https://docs.google.com/document/d/1...YvzD18i3c/edit
re: coloring is dependent on the source/composition of the steel, technique, and a little witchcraft
https://docs.google.com/document/d/1...g51u_SnEM/edit
Parker D3 Oxford refinished by Channing Will.
Two wavy zipper welds within the straight ribband edge welds OR viewed another way, 2 full scrolls between 1/2 scrolls
Close up