PFAS80  This is a superb opportunity to secure this original 6" x 4" hand signed photo for Ulrich Sigwart who is a German retired cardiologist known for his pioneering role in the conception and clinical use of stents to keep blood vessels open, and introducing a non-surgical intervention, alcohol septal ablation for the treatment of hypertrophic obstructive cardiomyopathy. He has personally hand signed the souvenir where his signature rests perfectly accompanying his portrait in mint condition.