Set of 2 Vintage 70s Raised Glazed Ceramic Mushroom Tiles Wall Art Decor Good condition! No chips. One tile has crazing on close inspection. See photos for details. Each tile measures aprox 5" x 5" The popularity of mushroom art in the 70s can be traced back to the cultural and social trends of the time. In recent years, there has been a resurgence of interest in 1970s culture, which has led to a growing demand for vintage-inspired decor. Add a touch of retro charm to your home with the whimsical and natural aesthetic of mushrooms.