Is there a guide for pricing patterns?

Other than looking at past auctions and digging around for a few crumbs that goes no where, is there a good source?
I just might be looking for an example for my set (boiler?)
Thanks in advance,
Ray
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Other than looking at past auctions and digging around for a few crumbs that goes no where, is there a good source?
I just might be looking for an example for my set (boiler?)
Thanks in advance,
Ray
Comments
http://uspatterns.com/ju10ed.html
http://www.shieldnickels.net
Since the prices in Judd are out of date, the Pcgs price guide is the best price guide at this time. But you’re still way better off using auction records. Even if you can’t find many records for a specific Judd number, you can usually find records for other issues of comparable value. (Use the Judd book, Uspatterns.com or the PCGS guide to figure out which Judd numbers might provide useful comps.)
Doggedly collecting coins of the Central American Republic.
Visit the Society of US Pattern Collectors at USPatterns.com.
Patterns are a very thin market so it's more useful to look at past auction records, say on Heritage.
As Zoins pointed out in his reply "patterns are a very thin market" and the absolute rarity makes finding comps difficult. I always start with a quick visit to Coinfacts followed by Heritage auction archives for more current pricing if any is available. The Uspatterns site is also an excellent resource for determining rarity and helping to distinguishing between true patterns ..... restrikes ..... die trials and Fantasy pieces.
The Judd book is also useful for rarity data and images but as with any printed guide the pricing can be obsolete before the ink is dry on the pages.
Good luck and happy hunting!
Unless you are truly an expert in the field of patterns you would be well advised to stay away. It is very easy to become "buried" in thin market items like patterns.
I almost regret not having an interest in these things 30 or 40 years ago. Man, they were cheap !