StÝckel, page 1299: "Catello Tribuzio
receives 1889 patent for a self loading pistol"
self loading pistol", serial‑# 017, cal. 8mm Tribuzio
(Brandt's cartridge book # 107C) similar to .32 short Chicago Palm Pistol. Flat
all steel pistol with a blue 2" barrel, ring trigger and safety on picture is in
"safe" position. Frame is part nickel plated and partial blue. Turning
the safety a few more twists one can remove the cover and inspect the inside.
A German advertisement at the times described this kind of pocket pistols as
"flat like a note book."
Winant's book Firearms Curiosa, pages 84 ‑ 85. Rare oddity in fine condition