Expo74 worlds fair plate

Expo '74, officially known as the International Exposition on the Environment, was the first environmentally themed world's fair. EXPO 74 Spokane WA Souvenir Collector Plate Worlds Fair 10 inch Vintage Contains lead- not to be used for food Made in japan Flaw- but of pottery under glaze- original to the plate - see photo Two yellowed lines on back- see photo