Right trying to find a new/reconned alternator, but having a problem as most places list them for the S12 as a single V pulley, and I'd swear and even bet money

mines a multi vee.
Whats is everyone elses??? You show me yours I''ll show you mine
Can some peeps have a look and see what number thay have got on their alts???
Mine is:-
23100 12C11 (Nissan)
AsT02394B (Mitsubishi)
12V 70A