Vintage Hammered Aluminum Coasters Duck Scene Set of 6 Coasters w Handled Tray. Pre-owned and vintage. Some wear due to age and use. Condition is good. This set of 6 coaster and tray can be used anywhere in your home or office. The design is very mid century modern which shows ducks flying over the marsh. The set also makes just an interesting display. 3 1/4 inch Diameter for coasters and 7 inch Long tray x 4 1/4 inch Tall tray. See all photos.