Reservists' eagle, which is a 1919 pattern eagle from the interwar period with the characteristic letter 'R' embossed on the amazon shield.
It was intended for members of reservists' organizations.
The nut is anonymous, of the period, with a corroded surface, and comes with an additional metal washer.
A rare value on the collector's market.
A nicely preserved piece.
Dimensions 59.0 x 40.6 mm.