Ici on peut acheter une bague commemorative :
plus d'information :
The ring is a high carat gold, at least 18 ct, and has an iron sulphide cameo, under glass, of the three members of the French Royal family.
Around the top of the ring, are the French words, Ils Sont Immortales, "They are Immortal." This ring is circa 1793, and I'm sure was done as a memorial to these three. It is a size 6 and weighs 4.51 grams.
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Well at least they got the address right.