Vtg Ceramic Floral Coasters 3.5" Round Yellow Green Coaster.  Lot of 4.  Pre-owned.  Made in U.S.A.  Size:  3.5" x 3.5" x 1/4".  There is a flaw in the glazing on one of the green coasters.  No chips or cracks.  Please see all photos.  Thanks for looking.