Beautiful sculpture of Frida Kahlo and Diego Rivera. Josefina Aguilar is a world renowned Mexican folk artist from Ocotlan de Morelos, Oaxaca. She is best known for her small clay figurines, an art form she learned from her mother Isaura Aguilar. Aguilar uses red clay to create depictions of everyday village activities, religious and folkloric scenes and famous figures. Her sculptures are known simply as "Josefinas".