Charles IV, AD 1346-1378. AV, Goldgulden. 3.53 g. 21.44 mm. Obv: KAROLVS D ЄI GRACIA. Crowned and mantled half bust of king facing, holding scepter and imperial orb; Rev: ROMAnORVM ЄT BOЄMIЄ RЄX. Bohemian lion rampant double-queued left. Ref: Donebauer 833 var; Fr. 2. Very rare Very Fine. This undated goldgulden (ducat) struck under Holy Roman Emperor Charles IV serves as a critical monetary artifact documenting the fiscal decentralization and dynastic ambitions of the Luxembourg period. Within Central European numismatic historiography, the institutional classification of this specific Donebauer 833 var. variant as 'extremely rare' is fundamentally driven by the structural organization of the Bohemian minting system An Extremely Rare Goldgulden