Chamberlain's key of the Imperial Count Max Friedrich von Königsegg-Rothenfels Gilt brass. Hollow spike with symmetrically incised beard. Open-worked rim, framed by rocailles and volutes with the coat of arms of Max Friedrich von Königsegg-Rothenfels (1708-1784) as Archbishop of Cologne and Prince-Bishop of Münster with the coat of arms of the Counts of Königsegg in a heart-shaped shield. Below the mirror monogram "MF". L. 20.5 cm. Cf. cat. Schlösser, Schlüssel und Beschläge aus den Sammlungen des Mainfränkischen Museums Würzburg 1992, p. 139, 141 (same shape, different shield). Provenance: Dissolution of an important German private collection - Part II. A German gilt brass hollow shank key with the coats of arms of Max Friedrich of Königsegg-Rothenfels as Archbishop-Elector of Cologne and Bishop of Münster. German. 2nd half 18th cent.