Extremely rare denarius from the royal mint in Konstanz.
On Coinarchives, only two records from 2008 and 2012, with sales amounts of EUR 1500 and EUR 2400.
Attractive coin with plenty of mint bloom.
Germany, Swabia, Constance, Otto III (983–1002), Denarius
Obverse: cross (OTTO monogram)
IMPERATOR (backward)
Reverse: schematic chapel, topped with a cross
+CSTANTIA
Diameter 18 mm, weight 1.08 g