France
Louis XVI silver Specimen Essai Louis d'or de Calonne 1787 SP63 PCGS, Paris mint, by J.P. Droz, Ciani-2199, VG-87. A beautiful and very rare 18th Century Pattern, boldly struck with needle-sharp details and flashy fields beneath argent-blue tone. Highly desirable thus and an uncommon offering for the specialist.
Estimate: 3500-4000 USD