Monaco
Rainier III gold Essai 100 Francs 1956-(a) MS67 NGC, Paris mint, KM-E36. Astoundingly brilliant and pristine. This type could not be found much better, as indicated by the fact that this is currently tied for the finest graded example at NGC. Mintage of 500 pieces.
HID02901242017
Estimate: 600-700 USD