How to recognize a genuine Laguiole knife

How to tell if a Laguiole knife is real ? Coutellerie Honoré Durand

Forge de Laguiole 12 cm Picnic Knife Juniper - Forge de Laguiole USA

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Laguiole Knife Traditional 11 cm Classic Range Real horn tip

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Honoré Durand, master craftsman in real Laguiole knife, hunting

How to recognize a real laguiole knife?