6 Germany Windmill Canal coasters delft blue Dutch hand painted porcelain

6 DELFT BLUE Windmill Porcelain Coasters Metal Rims Made in GERMANY Sternauware N Y Round coasters with a windmill and canal scene. Colors are yellowed crazing and cracks. Sepia colored Trifecta of issues but what a find See all photos for a better idea of condition small kitchen vintage bin