Apologies, yes I meant to type Dolfi and Giovannini based in Florence Peter

Could the name be a forerunner to Fiamm which may explain their similarity?
FIAMM an acronym for Fabbrica Italiana Accumulatori Motocarri Montecchio have been around since 1942 so maybe not.
Another of D & G's Boss horns here.
![[Linked Image]](https://assets.catawiki.nl/assets/2016/10/27/8/7/a/87a93f1a-9c87-11e6-8767-086fb8a0970d.jpg)