Read this !!! green cap - 2 grosze ( polish coin, brass , 12.5mm ) depth - 27cm , 10,6 inch white cap - 5 groszy ( polish coin, brass, 19mm ) depth - 25cm under small bricks, 10 inch blue cap - Boratynka ( polish cooper hammered coin from XVII sen. 14mm ) depth 22cm, orange cap 5 kopiejek cooper, 32.5mm, XIX/XX cen. - depth 32cm no cap/dark blue - 1 krajcar silver, 14mm/7mm ( half coin ) XVIII cen. hammered coin - depth 14cm yellow cap - 2 kopiejki cooper ,24mm ,XIX/XX cen.- depth 28cm red cap - 3 krajcar silver , 18mm XVII cen. hammered coin - depth 25-26cm