Chocolate mould, Létang Fils
Until the first decade of the 20th century, all chocolate moulds were made of pewter. This was then replaced by tin-coated iron, as used to make this fish-shaped mould. From the 1960s, nickel steel became the preferred material for such chocolate moulds.
Dorchy, Henri, Le moule à chocolat. Un nouvel objet de collection, Paris: Les Editions de l'Amateur, 1987.