Don’t think so, but don’t know either… 
32 long rifle?
Nope not that 1
.58 Benet Internal Primed Ball Cartridge?
Not that one either
I would say the one on the right is certainly a Benet, perhaps also the one on the left. But which caliber? They made quite a few. Must sleep now, will check in again later todya, Cheers.
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.50-45 Benet?
Yeah bout that
.50-45-400
Ur up Fatman
458 win mag?
That’s the one.
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45-90?
Is it a .458 Lott?
Lott it is my friend!
Time for a hint;
This is for a revolver made between 1855 and 1865.
Something made so the cylinder was front loading to get around the White Patent?
Not sure if it was or not sorry.
.36 Thuer?