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<p>[QUOTE="red_spork, post: 3493391, member: 74282"]I look at rarity based on a few different factors. The most basic measure I look at is simply how many of the type have sold recently, i.e. in the past few years but I also try and look at historical data. Sometimes the past few years' data is seriously skewed by a recent hoard which may temporarily make a type look common when in reality it is quite rare. Sometimes a collection being disbursed over a short period of time can also make a type look common in the short term, for instance in my area of collecting the RBW collection sales meant that several rare varieties had multiple examples for sale over the course of only a few years. Before that collection sold, some of these types may have only had a single example for sale every 5-10 years. Even with the recent influx of bronzes on the market, it turns out that many of his coins wound up at the American Numismatic Society either through purchase at auction or donations so when I'm considering the possible number of examples on the market I try to keep this in mind since those probably won't ever be for sale again in my lifetime.[/QUOTE]</p><p><br /></p>
[QUOTE="red_spork, post: 3493391, member: 74282"]I look at rarity based on a few different factors. The most basic measure I look at is simply how many of the type have sold recently, i.e. in the past few years but I also try and look at historical data. Sometimes the past few years' data is seriously skewed by a recent hoard which may temporarily make a type look common when in reality it is quite rare. Sometimes a collection being disbursed over a short period of time can also make a type look common in the short term, for instance in my area of collecting the RBW collection sales meant that several rare varieties had multiple examples for sale over the course of only a few years. Before that collection sold, some of these types may have only had a single example for sale every 5-10 years. Even with the recent influx of bronzes on the market, it turns out that many of his coins wound up at the American Numismatic Society either through purchase at auction or donations so when I'm considering the possible number of examples on the market I try to keep this in mind since those probably won't ever be for sale again in my lifetime.[/QUOTE]
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