I carefully stored it to avoid getting fingerprints on it. However, I couldn't overcome the deterioration over time and the effects of aging, and the cover has discolored considerably. Just because I'm listing it doesn't mean I necessarily want to sell it. It's like Kikuzo-shisho raising his hand on "Shoten" even though he doesn't have an answer. Shisho, you should really stop that routine. It's not funny at all.