Baden. Friedrich I gold Proof 10 Marks 1907G, KM#275, Fr-3758, Proof 66 NGC. Frosted devices, with a nice cameo appearance, with light orange-golden color and essentially flawless surfaces. One would find it difficult to improve on this superb example.
Krause catalog price(s) for this item: $200 in VF, $275 in EF, $400 in UNC, $700 in BU.