It contained her portrait ; a ten kopek piece minted in 1869 and was engraved with the words : 21 August Mala -- 25 September .
A ten kopek piece minted in 1869 is the year of Sergei 's birth .
It contained her portrait ; a ten kopek piece minted in 1869 , the year of Sergei 's birth , and was engraved with the words : 21 August Mala -- 25 September .