Probably one of the reasons it's worth so much is that there aren't very many copies left, if any. All the things I had as a child that I took for granted and threw away are likely worth something now, because everyone else threw them away as well.
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Never assume you know what I'm thinking, just ask for clarification.
"Not everything that steps out of line, and thus 'abnormal', must necessarily be 'inferior'. " -- Hans Asperger (1938)