Vintage set of 4 plastic coasters made in USA yellow and orange

Chicago landmarks O'Hare Airfield,  Sears Tower, John Kennedy Center, standard Oil Building

1960's or 1970's retro old cool items

prop, staging, furniture protectors, glass holders, trinket, barware, drip catcher

The item may have scuffing and/or nicking/scratching &/or light discoloring due to age and use. Please be reminded that the color may look different from the pictures due to the camera, lighting and/or your monitor. The tape measure is not included. They are for reference.