allexx,
I think that Kiev expert somewhere rights. This chromolithograph probably painted or engraved. Such a technique common in Beggrova. In particular at Christie 29.11.2006g. sold seven of these colored engravings with Russian genre scenes. So he not only wrote to the sea
Here is a description prodavashihsya prints:
"Tinted engraving, gum arabic, on vellum"
And one photo from the database ArtInvestment.