I'll try to keep this list as up-to-date as i can, but the fastest way to check availability will be with a tell, in-game to "Laffy".

Selling these recipes:

Faust (18k)
Fused Demo Suit (Offer)
Swiftstrike Shield (Offer)

Buying these recipes:

Calibur
Tempered Calibur

~If you need a specific recipe I'm more than happy to keep my eye out for it, just drop me a mail or a tell with the details.

~Thanks.