Watch List notes:

WORLD COINS, ITALY, Italian States. Venice. Palmanova. 50-Centesimi, 1814. Value. Rev. Crown over date (C 2; Pagani 281). In NGC holder graded MS62, toned and lustrous. Rare type in high grade.
Billon necessity coin struck by Napoleonic forces while besieged by Austrian troops

Estimate: $ 750.