Making your own isn't difficult if you can find the art. A set in another scale, although enlarging would have possible issues.
Online photos.
Paint the stripe.
My top source for airline decals is Vintage Flyer. Great product, great service.
I don't see Buffalo there though.
He will print you art he has in scale of your choice.
Ive known people who have commissioned decals from him as well.
Never hurts to ask
Bill