This is amazing. Not a "new" Vermeer exactly, but a restoration after the discovery that a key part of the original had been covered up by another painter sometime decades after Vermeer finished it.
First full image of ‘new’ Vermeer with uncovered Cupid released by Dresden museum
Drastically altered composition of Girl Reading a Letter at an Open Window can now be seen in all its glory ahead of major exhibition
theartnewspaper.com