Another of his productions was a series of twenty-five caricatures after Pier Leone Ghezzi, republished in 1823 and 1832 as Eccentric Characters.
Sierra Leone | Pier Paolo Pasolini | Sergio Leone | Bo, Sierra Leone | Sierra Leone National Premier League | Navy Pier | Sierra Leone People's Party | Sierra Leone Civil War | Special Court for Sierra Leone | Pier 39 | Sierra Leone Creole people | Northern Province, Sierra Leone | West Pier | Steel Pier | Santa Monica Pier | Pier Luigi Nervi | pier | Ryde Pier | President of Sierra Leone | Pier Michele Giagaraccio | Pier Ferdinando Casini | Pier Angeli | Pier Andrea Saccardo | Laureano Leone | Anthony Leone | University of Sierra Leone | The Road to Wigan Pier | Sunny Leone | Southern Province, Sierra Leone | Southend Pier |
A caricature by Pier Leone Ghezzi of Sabbatini and Baron Philipp von Stosch, another renowned antiquary, closely examining engraved gems, is conserved in the Ashmolean museum.
Niccoló engraved some plates for the Museum Florentinum, including self-portraits of Federico Zuccari; Hans Holbein; Pier Leone Ghezzi; and Giovanni Morandi.