Poinçon — Wikipédia

1⁄12 Écu, 1er poinçon de Warin, buste drapé - Louis XIII - France – Numista

FIRST FRENCH EMPIRE. Napoléon Emperor bare head - Republican calendar ÉLISA BONAPARTE, poinçon corne 2 n.d. fjt_761820 Jetons

FIRST FRENCH EMPIRE. Napoléon Emperor bare head - Republican calendar ÉLISA BONAPARTE, poinçon corne n.d. fjt_491382 Jetons

Daguerreobase - 1876-524_3

File:Ecu francais poincon vaud MG 2104.jpg - Wikimedia Commons

Hands-On: Louis Vuitton Tambour Moon Flying Tourbillon Poincon de Geneve Blue Sapphire Watch

Calaméo - The Watches Magazine #75 En

The hallmarks of authenticity - Ôkami

How to Tell If a Watch Was Actually Made in Geneva