Opinions??
I would guess that it is a belt clip that goes on a tool belt.
That’s a Civil War snake buckle.
Snake Buckle
This excavated English service "snake" buckle is in very good condition and was recovered Kennesaw Mountain, GA. It is constructed of cast brass and its belt loops are connected by an "S" shaped hook designed as a two headed duck-billed serpent which also has the appearance of a snake. The "S"...www.virginiarelics.com
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Missed that one by a mile !That’s a Civil War snake buckle.
Snake Buckle
This excavated English service "snake" buckle is in very good condition and was recovered Kennesaw Mountain, GA. It is constructed of cast brass and its belt loops are connected by an "S" shaped hook designed as a two headed duck-billed serpent which also has the appearance of a snake. The "S"...www.virginiarelics.com
View attachment 1381847View attachment 1381848
Actually, it could be.I actually wonder if it's a reproduction...it is all steel