Beautiful Vintage Kugel Cobalt Blue Mercury Glass Egg Shaped Christmas Ornament with original German Cap. This is a 4 Egg Ornament. No chips nor cracks. Get Images that Make Supersized Seem Small. Track Page Views With. Auctiva’s FREE Counter. The item “Antique Kugel Christmas 4 Mercury Glass Cobalt Blue Egg German Cap” is in sale since Monday, October 30, 2017. This item is in the category “Collectibles\Holiday & Seasonal\Christmas\ Vintage (Pre-1946)\Ornaments”. The seller is “pedearm” and is located in Pass Christian, Mississippi. This item can be shipped worldwide.