sword blade, attribution aid

[Dmitry]

Originally Posted by Victrix

Then the inscription must refer to Tsar Peter the Great. That sword must be desirable to Russian collectors. Swedish swords from the Great Nordic War command very high market prices.

I didn't think I had to clarify that it referenced Peter Romanov when I deciphered the inscription, but thank you.
The person who posted the photo says it's in a Belorussian museum. Which one?
He had posted several fake relic swords here previously. Are they also in a Belorussian museum?