I'd say you have a good few bob there depending on what oversizes they are, if you have pistons to suit, ker-ching!
I can spot Triumph,;BSA, twins and singles;AMC twins and singles and more.
don't rush to get rid .
where are you? I'd happily ID for you depending, and no, I'm not in the market for them, but that lot takes me back 40 years to the sort of job lots I used to buy