Original German Pre-WWI Karabiner 88 Cavalry Carbine by Erfurt Arsenal dated 1890 - Serial 5227 Martini-Henry Parts and there is even a

and there is even a 57 in a circle ink stamp on the leather

"  He reigned from 1864 until his very suspicious death in 1886

This indicates use by the SA Gruppe Sachsen (Saxony)

but they did not have him

and were essentially the same grenade

Original German Pre-WWI Karabiner 88 Cavalry Carbine by Erfurt Arsenal dated 1890 - Serial 5227 Martini-Henry Parts and there is even aOriginal Item: Only One Available. Adopted in 1888 the new German Infantry round in 7. 92 X 57mm replaced the old 10. 4mm large bore cartridge adopted in 1871. The M 1888 Rifle was referred to as the "Commission Rifle" and was manufactured as a full Infantry Rifle and a Carbine starting in 1888 and an Artillery Carbine adopted in 1891. Our example is of the Cavalry Carbine is marked over the chamber with (CROWN) ERFURT. 1890., for 1890 manufacture at