Prices were established by professional decoy collectors. If you have any questions please message me and I will try to help, but I do not know much of the history behind them. I can provide additional photos if necessary. The item "Mason Peye Bluebill Duck Decoy" is in sale since Monday, September 3, 2018.This item is in the category "Sporting Goods\Hunting\Vintage Hunting\Duck Decoys". The seller is "deekseeker2" and is located in Yakima, Washington. This item can be shipped to United States.