Jeff,
Antique Electronic Supply has wrinkle finish in black and grey PN S-F277 and S-F701. You can find them at http://www.tubesandmore.com. In their catalog they list some tips for best results on page 55.
Jeff W
:Certain old radio components had a surface finish
:that was originally intentionally heavily textured.
:Does anyone know how to replicate these finishes?