I've just come from looking at the Public Domain images https://www.rawpixel.com/image/7639356/image-art-vintage-public-domain painted by Utagawa Kuniyoshi ...This has a similar feel... I wonder if you asked for something "in the style of" or did you do that? I've not delved into AI yet to speak of!
@Weezilou I used the Night Studio app for this with the word prompt - I didn’t ask for any particular style although I do sometimes. I think it read my thoughts - I’ve just clicked on your link and you are right, such a similar style