The Dutch Blue Error Quotes

“Guyana black and magenta, of course, which we generally acknowledge to be the single most valuable stamp in the world—it is in perfectly horrible condition. Corners cut off, nasty blob of a postmark. With stamps of this great rarity, these unique stamps, condition is less of a factor than supply and demand. Most especially, of course, demand.” I nodded. Ollie Weston had told me much the same thing.”
― William G. Tapply, The Dutch Blue Error