VTG Federal Glass Colonial (also known as Yorktown) iridescent punch cups x3

Federal Glass Colonial (also known as Yorktown) iridescent punch cups x 3 The cups feature a distinctive "thumbprint" or "colonial" pressed pattern. They were produced by the Federal Glass Company, likely in the 1960s. The iridescent or "rainbow lustre" finish gives them a shimmery appearance. They are often part of a larger set that includes a punch bowl and snack plates