British Vickers MMG T-Pin: Mk I MG 34 now our secret is out:

now our secret is out: Kramer's Best Antique Improver

preserving the detachable barrel in excellent live condition

The 1815 letter is a copy

"ebr" which stands for:

The tail gun was a 'stinger' installation

British Vickers MMG T-Pin: Mk I MG 34 now our secret is out:Original Item: The spade grip assembly of the Vickers MMG is held to the receiver with two different pins. The upper pin is named the PIN, T, FIXING, MK I. It has a cross pin fixed to the threaded section, and this cross pin is designed to be used as a tool to remove various fixing pins in the gun. It has a concave surface to fit on the pin ends. The T pin does not have a nut for the threaded end; instead it threads into the body of the spade grip