This looks like it could be a match for the old C&C stanchions. Needs a hole drilled for the lower lifeline.
https://www.ebay.com/itm/Single-Lifeline-Stanchion-Tube-25-x-7-8-bronze-hoop-top/303791132584?hash=item46bb5ccfa8:g:LwcAAOSw7TNfxjfn -- Dennis C. Touche' 35-1 #83 Mandeville, LA
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