Below is a link to a prior post by mslurvey which provides a list of manufacturers of USA metal insignia along with post 1950's alpha numeric manufacturing codes.  This link may help you identify the manufacturer of some of your ribbon bars.               

That is some cool information.   I have nothing to do with the auction, but for prosperity's sake, here is the link   https://www.auctionninja.com/foss-appraisal-service/product/item-3807642.html

That is some cool information.    

You mean Allen screws?

QM Cargo Attachment Drawing                                                                                                                                                                  Courtesy of The Men Of The Century                                                           https://www.facebook.com/photo/?fbid=1295193863850056&set=pcb.1295211110514998           Detail                                                                                                                                                                        Courtesy of The Men Of The Century     Note: Identification marks can be stenciled or indented.

that is a very good history odf that particular snap fastener, good information to have thank you for posting

. Well maybe the only time I have ever mentioned football on this thread in eighteen years, but for some I believe it's a topical item at the moment  💤 💤     Norman D. Landing, Forum Normandy Correspondent, 03 July   2O26.   ..    

. Hi Graham,   she made a nice job of that . . . . . . .      Norman D. Landing, Forum Normandy Correspondent, 03 July   2O26.   ..

. Hi earlymb,   Sorry to say that I had used up my phone battery photographing the parts being dug up, When I got to the Jeep I had very little battery left, so for today these three shots are it, one being the inner wheel arch drivers side he had just managed to get most of the grey overspray off. I will try again after the weekend.          I did stand having a discussion about Jeeps and Jeep parts etc, etc, my friend said that I had a later screen on my Jeep for the manufacture date, I agreed that with him and said it was a replacement I had to fit as during some risky adventures many years ago in my wild and impetuous youth I lost the original screen to damage done to it.  No drink, drugs or illegal activity was involved in the loss of the screen, but once again it's not something that I can commit to the written word, perhaps one night we can laugh at the incidence over a small beer !!!. In fact there are many incidences in my life that we could laugh at, many funny, a few scary, and several life threatening. !!! and many not even my family are aware of.     Norman D. Landing, Forum Normandy Correspondent, 03 July 2O26.   ..

. Metal detecting today.   one of the finds today was very unusual a green enamelled mug possibly Russian made looking at the print on the underside of it, possibly captured in the Russian campaign by one of the troops that was moved to Normandy from the Russian front.      Norman D. Landing, Forum Normandy Correspondent, 03 July  2O26.   ..