German (Prussian) Infantry Officers Degen (IOD) M 1819 a.A. by Samuel Hoppe.

"German ( Prussian) Infantry Officers Degen. IOD M 1819 a.A. (a.A.= alter Art= Old model) Excellent long straight bright fullered single edged blade with fuller running to the tip. Rare Solinger makers trademark: Bee-hive (= Samuel Hoppe-Solingen. 1827- 1885 ) on the ricasso. Etchings on both sides and the blade spine are showing floral motives, currasses, helmets, guns, swords and flags. Intact brown leather washer. Beautiful short brass handle with a large urn shaped pommel. Scallop shaped hand guard, one side folding, with a straight quillon and a crown shaped finial. 
Perfect round wooden grip covered with a fine twisted silver wire winding. 
Excellent and rare all steel scabbard with a single loose hanging ring. No serieus dents.

Beautiful sword!
These swords were carried by Infantry officers but also by high rank officers of the Railway, the Mail and other non-military organisations.
The folding guard was introduced in 1882-83, so this example is made after 1882
Steel scabbards were used by mounted infantry officers and officers in the field. These are not common for this model.
This model was replaced by the Prussian Infantry Degen IOD M 1889 n.A. (n.A.= neuer Art= New model) but was still carried during WWI

Total length: 89 cm. Width at the ricasso: 1.7 mm. Length of the hilt: 13 cm.