Questions about LFT Lug Markings on AOB Bolts

[painter777]

Could those with Round AOB bolts check the marking(s) on or under the left lug?

Looking for markings other than just the H.
But if H marked with additional letters or numbers please report.
Include if Bolt has the X or not.

THx,

Information

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[tenOC]

Got a round one with a G looking character.

[painter777]

No matter if Flat or Round, X marked on top or not, When you happen upon any IBM Bolts please note any letters or number markings found on or under the small left lug. And report to this Thread. As always your help Appreciated.........

Below are examples I found from current auctions tonight.
These First 3 Round Bolts, No X mark, AOB on Right lug, H on left lug and a G below the left lug.







Not pictured is another Round Bolt Marked AOB on Right lug, H on left lug, NO X and nothing under Left Lug.... Poor quality pictures..... not worth trying to post them.

Next: Early Style AOB on Right lug Round bolt X stamped (meaning Not having the upgrades yet). No markings on or under left lug.




Safe Weekend All.....

[jond41403]

Here is a round bolt I found on worthpoint that sold a while back. I took a screenshot of his description of the stampings. He mentions the letter c being underneath the lug and the letter g being near the recess near the firing pin. he mentions both letters being stamped on this bolt along with the aob and the letter h. hth