Zildjian doesn't offer any logo refresh service or products and the Sabian offering is nothing more than a stencil and Sharpie.It think that it may act as a potential red flag regarding authenticity and should be considered along with manufacture stamp/engraving. I doubt that a ring of N i g e r i an scammers is trying to corner the phony vintage splash cymbal market...but I'm really leary of eBay and CL....OK more like flat out paranoid.
Quit lookin' out the blinds, man.............:)