"My guesses -> top-Lawrence, bottom-Berns-Martin......how did I fare? "
The top holster is a Heiser " Army style " holster without an identifying snap. They made several types, mostly before WW II. The second rig is a Berns-Martin Buscadero.
I'm glad you posted some of the treasures you displayed at the show in Baton Rouge- you had a fantastic display.
Regards,
turnerriver

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turnerriver