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I would like to find a chart of the price development of an item that has was traded on ebay. For instance what was the price curve of the first iPhone over time?

Does anyone know tools or websites that provide this service?

Many thanks for your answers/redirects/links,

Christian

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migrated from superuser.com Feb 26 '11 at 9:41

closed as not constructive by phwd♦ Feb 8 '12 at 21:12

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