France
Napoleon III gold Proof "Universal Exhibition" Award Medal 1855 PR64 Cameo NGC, Divo-234. 60mm. 160.16gm. By A. Barre. An absolutely immense gold medal, produced for the Exposition Universelle in Paris and awarded to Jean-Baptise Guimet for the development of artificial ultramarine (engraved with his name on the reverse). Quite possibly the largest gold medallic portrait of Napoleon to exist, in exceptional high relief and with a luxurious matte frost contrasting with the more reflective fields behind. The reverse design is superbly complex and leaves very little free space, yet this same contrast is present here and serves to backlight the bold devices. Worthy of centerpiece status for any advanced collection of French gold medals.
https://coins.ha.com/itm/france/france-napoleon-iii-gold-proof-universal-exhibition-award-medal-1855-pr64-cameo-ngc-/a/3075-32164.s?type=CoinArchives3075
HID02906262019
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Estimate: 30000-35000 USD