Austria
Republic gold Prooflike 100 Schillings 1936 PL62 NGC, Vienna mint, KM2857, Fr-522, the popular Maria Zell issue. Fully brilliant, with deeply mirrored fields and a nice strike. The reverse (with Madonna and Child) is near-perfect, but the obverse has a noticeable flan flaw through the TER of OESTERREICH that effects the numerical grade.
Estimate: 1600-2000 USD