What is a Certificate of Authenticity?
Comparative analysis is a side-by-side comparison of your work of art to others that have been positively
attributed to the artist in question. For example, if you have a painting that you believe to be by
French Impressionist, Johannes Vermeer, we look at all of the paintings that experts agree are authentic
works by Vermeer to check for stylistic inconsistencies between his body of work (also called an oeuvre) and your painting.
Think of it as a very high-level version of “spot the differences.