How to know the price of the painting?

[split gale]

Without selling it and then loading the save file back?

[merry flume]

i believe when you click on the painting it should display this

[uneven wharf]

I don't think it tells you. Not that I've seen, at least. Please submit !feedback, because it makes sense that it's seen.

[slow tartan]

To submit bug reports and feedback to the devs, please visit the following link and fill out the form!
https://www.paralives.com/gamefeedback

[split gale]

No it's not