14 Ga Shotgun cases Where can i find em ?

[dingus]

OK i see theres 14 ga shotguns tho not comon there out there, Antique ones.

Anyone got any sorce or ideas where to get them 14 ga cases?
I know ya can buy solid Brass 24
and 28 ga shotgun cases so how about 14 GA ?

even if i could get some used.
Thanks.