Raw values as a % of Slabs - a reasonable range?7802
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 Collector
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brandon77 private msg quote post Address this user | |
| Since there seems to be no really reliable tally on raw books, with Overstreet providing just a sort of vague 'ideal': Could a reasonable real-world value be derived from this simple formula: Book X 9.6 slabbed - $100 (based on fair market value from GoCollect or similar) Book Y same book, same grade (estimated), raw - $50 For raws, is 50% off the slabbed value about right, too harsh or lenient? - B |
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 Captain Corrector
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CaptainCanuck private msg quote post Address this user | |
| Really depends upon the book. Your formula may be valid for a modern book, however this most likely wouldn’t translate well into other eras, such as silver age. | ||
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 Collector
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moodswing private msg quote post Address this user | |
| I have been trying to come up with something similar but there is too much of a discrepancy with older books. Plus you have to take into the consideration the raw grade. If a seller online thinks the comic is a 9.4, I always assume a lower grade. | ||
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 Collector
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MR_SigS private msg quote post Address this user | |
Quote:Originally Posted by CaptainCanuck Agreed. A big SA key in a slab removes most concerns for buyers, so the percentage would be much higher than a regular SA book. What people are currently paying is really all I can go by. If it's an item that has little, old, or no sales info, I use Overstreet. |
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 Collector
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QuaBrot private msg quote post Address this user | |
| Usually take of cost of slabbing. If you don't trust the seller, or feel he grades a little loosely, then discount more accordingly. If you're just not sure yourself (is it a 6.0 or 5.5?) then discount down to the lower grade, minus slabbing costs. There can't be a percentage because for a $100 book slabbing might be $30, which is 30%, whereas slabbing for a $1,000 book might be $50, which is only 5% . . . |
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 Collector
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Drogio private msg quote post Address this user | |
| Recent raw sales on eBay is the best way to determine raw value quickly. Slabs generally will be that price, plus the cost of grading/encapsulation, then a logarithmic scale of increasing price depending on the grade and popularity/heat index of the book. I’m other words, no consistency between Rae’s and slabs due to too many factors. |
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 Collector
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mrelowe private msg quote post Address this user | |
| If you want to develop a statistically viable calculation you will need a large data set. Fortunately sold eBay listings are easy to find for slabbed and raw of the same issue. You should get an average sale price for each condition for a large sample of books. Take price points as an indication of the popularity/rarity of the item and see if there is a correlation. The more data points the greater the degree of confidence in the data. If someone was to take on this task and analyze for a relationship/equation, I would suspect either a exponential rate or no correlation at all. There really seems to be way too many factors. | ||
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 Collector
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Johnnylray private msg quote post Address this user | |
| This is the exact same question I have pondered for a while- which brings me right back to the comic book price guides all being worthless now. If the comic book price guide says book "x" at 9.6 is $50 ..and we see they are selling (slabbed) at $750 on eBay ! Crazy! | ||
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Collector
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brandon77 private msg quote post Address this user | |
| One factor I forgot to mention: I'm only considering slabbed books with established, stable prices in most if not all grades with recent sales factored in (like you see at GoCollect). Only then would I apply the %50 off figure for their raw counterparts. It's almost fruitless to track down random recorded raw sales. When there is no available EBay sales data for even the slabs (or only a handful in 5-6 years), then I defer to Overstreet, but lob off another good chunk. Because as we all know if there is no demand for a book then you're only going to realize a small % of Guide if you had to sell today. For the majority of raws at $8 - "9.2", I realize I'd be lucky to get $1-2, if that. So much for my 80s Avengers run.. |
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