Set of Gold Coins from Poland

Dear friends.
I was asked by one person to help her sell new adition of Polish zloty.
It is set 9 coins in gold 1,2,5,10,20,50 groszy and 1,2,5 zlotych.
100 lat złotego
1 grAu 900Ø 15,506,62500 zestawówlustrzany23 00027 lutego
2 grØ 17,508,55
5 grØ 19,4810,48
10 grØ 16,507,57
20 grØ 18,509,20
50 grØ 20,5011,28
1 złØ 23,0013,72
2 złØ 21,5012,13
5 złØ 24,0015,82
You can see them here: https://kolekcjoner.nbp.pl/pl/
Bohdan