The jar has unique markings that were apparently made when the glass was formed. The condition of the mechanism works fine. It does have the normal aging (see photos).
The item "2 Quart Cobalt Blue Dazey Butter Churn Wood Paddles(make Offer)" is in sale since Friday, June 29, 2018. This item is in the category "Collectibles\Kitchen & Home\Kitchenware\Butter Churns".The seller is "cardsfans15" and is located in Flora, Illinois. This item can be shipped worldwide.