http://cgi.ebay.com/vintage-electro-harmonix-big-muff-replacement-cover-/300518746517?pt=Guitar_Accessories&hash=item45f8502995

so i snagged one of these the last time he put one up, because i was on my iphone and i wasnt quick to read the description. wasnt original, my bad. thought it was a NOS cover or something…its well made and well printed, but i could see the sharpee marker cut lines inside. either way, this presents a potential issue for buyers/collectors, as its possible you may be purchasing expensive pedals with non original covers. people could swap out an original rams head with a beat up cover with one of these, and it might fetch $100 more or whatever, and you might be none the wiser. most people follow a visual ‘if it looks in good shape, the insides are in good shape’ rule of thumb.

so, just a cautious note.