Panetta jewelry is not as plentiful in the secondary market because of limited production runs and high initial prices. The company was sold in the late '80s to one of their best customers in Japan and closed in 1995. Pell - 1941 to Present. Pennino - Pennino Brothers was founded in the late 1920s and continued until around 1961. Pennino made use of top quality stones mounted in sterling silver or heavy gold plate.
Pennino jewelry is highly collectible and scarce and commands high prices.
It is possible that not all jewelry was marked. After his death the children took over renaming the company Polcini. Polcini companies produced very good quality hand set jewelry. There designs were traditional and conservative. Range of pieces with reconstituted opal was very highly successful.