He consistently participated in annual exhibitions of the Society of Amateurs and Enthusiasts (Italian: Società degli amatori e cultori), where he became a member and had several one-man shows.

He continued to exhibit at the Biennale until 1924, when he displayed La donna e lo specchio (Woman and Mirror) (Marangoni Museum, Udine).

In the same year he was one of the illustrators, along with G. Balla, D. Cambellotti and others, the volume of E. De Fonseca, Roman Castles, published by the brothers Alinari in Florence.

[6][7] Rome International Exposition in 1911 the artist participated, as well as a Lancellotti (Mountain Shepherds), with a series of panels that made up the figurative decoration of the pavilion of the fishery.

The picture that marked the success of Coromaldi "Ritorno dei naufraghi ", is a work in composition and technical performance that refers explicitly to the art of Francesco Paolo Michetti.