help naming these shells please...

[jonmiller]

hi guys

a customer sent me 2 shells to paint. ive not received payment and so have issued a notice date to have received payment by or the shells will be forfeitted.
he said its a tamiya but i dont know what. whats the other, b4 or b44?
if anyone knows what it is i would appreciate knowing so i could title them correctly if i have to sell it.
by the way his name is john weston. if anyone knows him please ask him to get in touch.

any help would be greatly appreciated

many thanks,

jon