Peter Yarrow Peter, Paul, and Mary signed photo 8x10 ACOA

Peter Yarrow signed this photo.  The autograph has a Certificate of Authenticity from ACOA #SC63375 The photo is an 8x10.  The signature is silver. Peter was a member of Peter, Paul, and Mary.  He cowrote the popular song Puff, the Magic Dragon.  He is also a political activist and stood against the Vietnam War and Bullying. All 4 corners are dinged and there is ink on the back of the photo.  Please review all photos.