Anyone Familiar with Russian Silver?

[UnderMiner]

Would like to know who this silversmith was, the piece in question is this large silver fork from 1887.





Also this Russian spoon from 1869 has sparked my curiosity. It has a very elegant crown and the letters "H.K." engraved on it, could this have belonged to Russian nobility or even royalty? Very cool regardless.

 

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[deepsecrets]

The city mark on the fork is Vilnius Lithuania - can't find reference to the maker but first initial is "J"

 

[Mackaydon]

The assayer is Anatoliì Apollonovich Artsibashev ("A" dot "A)
Don...