Hello :-) Yes, Zorrilla banknote is a very interesant spanish banknote
the first banknote is 500 pesetas 1954 145 *95 mm
In front , fragment of selfportrait of Ignacio Zuloaga ( 1870-1945) ( Paint in zuloaga museum, Zumaya, Guipuzcoa),spanish shield in left.
Back : paint of Ignacio Zuloaga, view of Toledo ( Paint in Real Academia de Bellas artes de San Fernando, Madrid)
signatures:
Gobernador: Joaquín Benjumea Burín, Conde de Benjumea
Interventor:Antonio Victoriano Martín Martín
El cajero: joaquín Serrano García
water mark Zuloaga Head
second Banknote:
500 pesetas 1931 151*95 mm
In Front portrait of Juan Sebastian Elcano 1487-1526
back Paint of Elias Salaverría : Elcano landing in Sevilla after going around the world ( paint in Colección de la diputación de Guipuzcoa, San Sebastian)
medaillon in the right nao ( boat) Victoria under the caption Primus circumdedisti me
watermark Neptuno head with crown and trident
Signatures:
El Gobernador: Julio Carabias Salcedo
Interventor Adolfo Castaño Orejón
Cajero: Bonifacio Burgos Delgado
I have got both in my litle spanish collection
Congratulations both banknotes are more beautifuls and historics and explain historics events
Santiago