summer65 Posted July 15, 2019 Share #1 Posted July 15, 2019 I have a question and I know I can get the answer here. I'm trying to find out when the different DI fasteners were used. That is, when were pinback, screwback and clutch back DIs worn? I'm sure this subject was in the Trading Post. I have Trading Posts back to the '80s, but I don't recall this subject. I think screwbacks and pinbacks were worn around the same time. With pinbacks continuing into the 1950's. Clutch backs coming along in the 1960's. But, I was wondering if clutch backs were used earlier. I thought clutch back collar brass was worn in the 1940's. So I thought that was the case with DIs too. I hope this question makes sense. I'm trying to determine what time frame my DIs are from. Thank you for any info. Pat Link to comment Share on other sites More sharing options...
patches Posted July 15, 2019 Share #2 Posted July 15, 2019 While attachments are a key, another one is the hallmarks, in particular the 1950s, 1960s, and 1970s. Link to comment Share on other sites More sharing options...
summer65 Posted July 18, 2019 Author Share #3 Posted July 18, 2019 Thank you patches for your info. I found the article in the Jan-Mar 1986 Trading Post. Written by Robert Capistrano. Titled "Is it Really Old? Periodizing Your Distinctive Insignia. Includes info on fasteners and hallmarks. Pat Link to comment Share on other sites More sharing options...
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