Where do i authenticate my Michelangelo painting for free?

To authenticate a Michelangelo painting for free, you can start by reaching out to local art museums or universities with art history programs, as they often have experts who can provide preliminary assessments. Additionally, some online platforms and art forums may offer free advice or resources for art authentication. However, for a definitive authentication, it's typically advisable to consult a professional art appraiser or authenticator, which may involve a fee.