gros tournois
Quick Summary
The gros tournois was a silver coin minted in France starting in 1266 under Louis IX. It was approximately 23/24 fine and weighed about four grams. The design featured a "castle" motif, similar to the earlier denier tournois, surrounded by an inscription and ornament that was frequently imitated.1
This coin was part of a broader monetary reform in France, where larger denominations became necessary due to the declining value of silver coins like the franc and livre. The introduction of the gros tournois, alongside a gold écu, marked a significant development in French coinage, moving towards larger and more varied denominations.21
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