Lines and colors blog featured this painting. Here's the link to it at the Met: http://www.metmuseum.org/collection/the-collection-online/search/357877
Click on the down arrow under the painting and that pulls up a close-up view so you can see brushstrokes. It's a watercolor over graphite with lots of white (gouache or casein?). The Met has many images online of Ciceri's works, including lots of designs for stage sets.