As I understand the question, yes, this looks like the “old Style“ as compared to a newer style that has the post-war multi-piece top lever linkage.
To my eyes, that looks like part # 19, a top lever spring.
As compared to # 13, 14, and 15 in
83A84082-9A3E-41E0-9532-C05FC771FDD6.jpg
See also figure 3 at:
Note also please, the lifter action pictured above the schematic is absolutely NOT what the schematic represents.