I've made a list of the Vosper MTBs that were fitted with captured Italian 20mm Breda guns at some point in their service history. No doubt there were more, these are the boats known to me : MTB 61, MTB 77, MTB 82, MTB 85, MTB 86, MTB 89, MTB 97, MTB 226, MTB 243, MTB 290 and MTB 298. MTB 61 (a 70 f...