Vintage Enamelware made in Yugoslavia Emo Celje coffee mugs set of 2

These iconic mid-century modern polka dot mugs are highly collectible vintage enamelware pieces made in Yugoslavia during the 1960s and 1970s.They were commonly manufactured by EMO Celje, a legendary enamelware factory located in present-day Slovenia. The distinctive color palettes, chunky white polka dots, and characteristic dark-painted protective rims are trademarks of Eastern European and Soviet-era design. please see the pictures the orange cup has some around the lid and when I say where I mean, some rust spots the green one has a small area at the bottom and some at the top as well.