[Exlibris of Enrique Herrero

Exlibris or bookplate of Enrique Herrero Ducloux (Navarra, 1877 - Buenos Aires, 1962), a Spanish chemist who became an Argentine national, who in 1901 became the first doctor in chemistry in Argentina. This is located in the collection of the library of Pedro Agustín Justo, the same one that has a considerable number of ex libris of various characters.
Bookplates are labels or marks placed as ownership seals on books, commonly on the inside of the cover, flyleaf, or frontispiece. They are elements that reflect qualities, tastes, trajectory or the history of its owner, usually with a great aesthetic charge.