Lot Essay
The Countess was the niece and housekeeper of Frederick Charles Joseph Baron of Erthal, Elector and Archbishop of Mainz (1719-1802). The present miniature is the pair to the identically framed portrait of the Elector, painted during Füger's stay at the Elector's court at Mainz in 1789, illustrated in Bourgoing (op. supra., 1926, pl. 7), now in the Albertina, Vienna (illustrated and described in N. Keil, Die Miniaturen der Albertina in Wien, Vienna, 1977, p. 84, no. 130).