Bencini Koroll 24, made in Italy in 1953, Polished and re-covered by me, original screw on lens cap, has a very unusual take on the 120 film format (explanation in the comments) :
PRL) KOROLL II BENCINI ACROMATICO F.55 mm 1:8 FOTOCAMERA ANALOGICA COLLEZIONE | eBay
Bencini Koroll 24s - Una bellissima fotocamera dagli anni · Lomography
KOROLL II - BENCINI MILANO | A&C Casa d'Aste Argenta - Arte Moderna e Contemporanea | ArsValue.com
Bencini Koroll II Vintage cameras collection by Sylvain Halgand
La Bencini Koroll II - La più lontana cugina italiana · Lomography