Talon Zipper Dating….rabbit hole.

I like old zippers. I think they are way cool and so I wanted to find out if there was an even more comprehensive and exact way to date talon zippers than the photo comparison I’ve seen posted

Period zipper finds

In Need of Talon Zipper Help

Swivel Talon Zippers

5 Construction Clues for Dating Vintage Clothing - Sammy D. Vintage

Vintage 40s Front Quarter Horsehide Belted Motorcycle Jacket Black

Outstanding M-39 Triple-Marked Talon Zipper from MASH, Japan

Can yall date this talon zipper? Please : r/VintageClothing

Dating Outerwear by zipper design, Page 8

Europe Vintage】70s talon Check set up

In Need of Talon Zipper Help

Europe Vintage】70s talon Check set up

Zip” — Slide Fasteners from Sears, Part 2

Very unusual Talon zipper with a double hinge pull tab. Zipper is closed at both ends with opening of 9.5 In dark denim blue. Beautiful condition.

RARE Vintage Talon Zipper 9.5 Closed Both Ends Double Hinge Pull Tab