Three different groups. Litho tin lot of 8 are each 3” dia. with different graphics on front of each. Includes Trylon & Perisphere, Music Hall, Aviation Building, United States Steel Building, Federal Building, Maritime Building, Ford Building and Hall of Communications Building. Trace of lt. scattered wear here and there but overall Exc. Next group has 3.75x3.75” base with 4 posts holding 8 coasters in place. Each is 2.75” dia.turned wood with 1” decals in center showing Perisphere & Trylon. Finish is a bit worn on several, 3 decals show varying degrees of chipping. Overall Fine. Third group is “Firestone Souvenir Plastic Coasters” in 1-5/8x3-3/8x3.25” tall thin cardboard box with image of Firestone Building on front. Box is worn around edges with a few lt. creases. VG. Four coasters are 3” dia. in different colors with low relief text and image of Firestone Building. Three coasters show moderate warping, o/w Exc. Nice designs.