1637 Thaler

The Prince-Bishopric of Würzburg was one of the great ecclesiastical states of the Holy Roman Empire, ruling much of Franconia from its hilltop Marienberg fortress. Its patron and heavenly protector was St. Kilian, the 7th-century Irish missionary-bishop martyred at Würzburg, and his image dominates the bishopric's coinage for centuries.

This thaler was struck in 1637 under Prince-Bishop Franz von Hatzfeld (r. 1631-1642), in the most violent decade of the Thirty Years' War. Würzburg had been stormed and occupied by the Swedes under Gustavus Adolphus in 1631; Franz only re-established Catholic rule after Imperial victories in the mid-1630s. A thaler of Würzburg from 1637 is, in effect, a coin of restored episcopal sovereignty struck on Franconian silver during a war that had already devastated half of Germany.

The obverse shows St. Kilian standing facing, mitred and haloed, in full ecclesiastical vestments - holding a long sword in his right hand (his martyr's instrument) and a crozier in his left, with the date 16-37 split across the field at his shoulders. The legend reads SANCTVS KILIANVS - "Saint Kilian" - and a small mintmark star sits at lower right.

The reverse carries the elaborate quartered arms of Hatzfeld and the bishopric beneath three crested helms, with the surrounding titulature FRANCISC[VS] D[EI] G[RATIA] EP[ISCOPV]S B[AM]B[ERGENSIS] [ET] H[ERBIPOLENSIS] FR[ANCIAE] OR[IENTALIS] DVX - "Franz, by the Grace of God Bishop of Bamberg and Würzburg, Duke of Eastern Franconia" - reflecting Hatzfeld's unusual position holding both the Bamberg and Würzburg sees simultaneously.

NGC XF-45 understates this coin's eye appeal. Both faces are wrapped in deep, undisturbed rainbow cabinet toning - blues, golds, magentas, and sea-greens drifting across the silver - exactly the kind of patina that develops only after centuries of quiet storage in an old European cabinet. The strike is bold, with St. Kilian's mitre, sword, and the elaborate heraldic helms all retaining sharp relief.