GERMANY. 5 Mark, 1952-D. NGC PROOF-66.KM-113. Centenary of the Nurnberg Museum commemorative. Beautifully preserved with tone free surfaces that free from spots or haze. A scarce type in Proof presentation and <strong>RARE</strong> in this quality with the last certified offering in this PF-66 grade bringing $3,290 in 2013.NGC PROOF-66.