RARE! Vtg Federal Glass Highball Polka Dot Glasses Iridescent Colored Bottoms

RARE! Vintage Federal Glass Highball Polka Dot Glasses with Iridescent Colored Bottoms Set of 5 7” high 4 of the 5 are in very good condition. The 5th seems to have lost some color. These are estimated to be around 65 years old. Very rare and collectible.