Saxe-Altenburg, Duchy. A Duke Ernst I 50Th Jubilee Medal certificate_of_authenticity This helmet is named in

This helmet is named in two locations

reverse showing the back of the eagle and wreath

11 mm x 26 mm

with the advancement of the Greeks

outer document stained

Saxe-Altenburg, Duchy. A Duke Ernst I 50Th Jubilee Medal certificate_of_authenticity This helmet is named in(Medaille zum 50 jhrigen Regierunsjubilum). Constructed of silvered bronze, on loop for suspension from its period original ribbon, the obverse with a rightward facing profile of Ernst I, the reverse with an inscription of ERNST HERZOG VON SACHSEN ALTENBURG and a date of 3. AUGUST 1903, unmarked, measuring 32. 66 mm in diameter, weighing 16. 3 grams (inclusive of ribbon), in extremely fine condition.