...when I found this blue one from the first picture, it looked more like an old cannonball, with all that dirt. After cleaning with a toothbrush the color came out...any more suggestion than „...antique European...“(if it is so....)...?? 14x16mm
....and the other, 12x12mm, with just 1mm perforation...age...?....would Bohemia/Czech be a guess...?