H G A Huyvenaar (Hendrikus Gerardus Antonius Huyvenaar) was an artist renown for his work with the Rozenburg porcelain factory. During the Art Nouveau era his work often consisted of naturalistic form and included birds and flowers. His works were signed with a single monogram featuring the letter H.
Below are some examples and price guides of items painted by H G A Huyvenaar including an eggshell porcelain vase and an example of the H monogram.