This is the 15508th most frequent Polish word.
srebrnych
"Silver" (genitive or accusative plural form in Polish).
Here, 'srebrnych' serves as an adjective describing 'monet' (coins) and indicates that they are made of silver.
Mam kilka srebrnych monet w mojej kolekcji.
I have a few silver coins in my collection.
The word 'srebrnych' modifies 'wisiorków' (pendants) to describe their material composition, indicating they are silver.
Na wystawie znalazłem srebrnych wisiorków, które były piękne.
At the exhibition, I found silver pendants that were beautiful.
In this sentence, 'srebrnych' modifies 'farb' (paints) to specify their characteristic, showing a poetic imagery of their silver color.