Alex Pietrangelo signed sports memorabilia is a top-seller. This Alex Pietrangelo Autographed Hockey Stick Blade - PSA/DNA Authentic has been certified by PSA/DNA and will come with a Certificate of Authenticity (COA). Alex Pietrangelo autograph memorabilia collectors will love this quality signed product. This item is in stock and ships out same day. Autographed St. Louis Blues memorabilia is valuable and a perfect gift idea for a diehard fan.