I used the standard text, translated it into Spanish and modified it to be more like a period Spanish text.
A page further on the exemplar, showing the ruling and flourishes.
Ruled in purple, like this exemplar. Red and green are other options.
Text written in my gothic rotunda hand, with flourishes and portrait sketch.
@nypl. “Page of Text with Historiated Initial, Pen Flourishes.” NYPL Digital Collections. Web. 27 Sept. 2016. <http://digitalcollections.nypl.org/items/510d47da-edaf-a3d9-e040-e00a18064a99>
Deyeson, Eleanor.”What Is a Carta Ejecutoria De Hidalguia, and How Would That Work in the SCA?” Eleanor Deyesons Inquiries. 09 Apr. 2014. Web. 24 Aug.<http://eleanordeyeson.wordpress.com/2014/04/09/what-is-a-carta-ejecutoria-de-hidalguia-and-how-would-that-work-in-the-sca/>
Ruiz Garcia, Elisa. “La Carta Ejecutoria De Hidalguía: Un Espacio Gráfico …” Web. 25 Aug 2016. <https://revistas.ucm.es/index.php/ELEM/article/download/ELEM0606220251A/21625>