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Hello again everyone. I recently got this spoon, but can't figure out the marks.
They are on the inside of the bowl. Looks to me like HB with a star and something else in lozenge; and a Minerva head, but I'm not totally sure.

There may also be another mark on the outside of the bowl, but I can't make it out at all.
4 1/2 inches long, about 20 grams.

I appreciate any help. Thanks.

France, Paris, Henri Brille.

The other mark is the bigorne mark (located at the reverse side of the Minerva mark.

Thank you very much to both of you for your responses and knowledge.