Retro disposable paper plates & party decor like this became all the rage in the 60s - Click Americana
Vintage Halloween Paper Party Plates (item #39005)
Vintage Paper Plates for sale | eBay
Truly Scrumptious Small Plates - 2u.
Platos de papel Retro Para decoración de fiestas, vajilla desechable Vintage, platos grandes para servir, 10 colores, 120 paquetes|Accesorios y piezas para instrumentos| - AliExpress
LUXURY FLORAL PAPER PLATES (Medium/22cm)-Vintage Tea Party-FULL RANGE IN SHOP! 5052714049948 | eBay