Watch List notes:

Foreign Medals, Germany, Madonna della Sedia (Madonna of the Chair), small uniface circular plaquette in Berlin Iron, c.1820, by Leonhard Posch (unsigned) after Raphael, the seated Madonna holds the infant Christ, St. John stands to the right, 110mm. (Forschler-Tarrasch 847), in circular wooden frame with band of inlay, cast with I.H. monogram on reverse, extremely fine, scarce
Made at the Royal Prussian Iron Foundries, after the painting in the Palazzo Pitti, Florence.
Estimate: (100-150 GBP)