I did these a couple weeks ago and forgot to post them.
My base is two coats of Orly in Liquid Vinyl. I stamped with butter London Matte Finish. Basically I stamped like you would with regular polish only I used the matte finish. This wont work with all matte finishes. Only those that require one coat to create the matte finish.
Also,I worked faster then normal because the matte finish dries faster then regular polish.