My grandfather gave me a lighter that is sterling silver has a gold dinosaur on it. I am not sure what language is used on the pamphlet, but it says S.T. Dupont; Briquets D'Orfevrerie, Au Gaz Butane; It was issued on January 10, 1966; and says Le briquet portant le numero is 4751BB. Can anyone help or tell me how to find out if it is an antique.

Thanks.

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That would be french. Usually an item has to be at least 100 years old to be considered antique.