UP FOR SELL IS A DOLPHINS AMP MINI HELMET SIGNED BY DOLPHINS COACH MIKE MCDANIEL. THIS IS A MUST HAVE FOR ANY DOLPHINS FAN. THIS HELMET WAS SIGNED WITH A BLACK PERMANENT MARKER. THIS WAS SIGNED RECENTLY. THIS HELMET COMES WITH A CERTIFICATE FROM PSA/DNA AND A MATCHING STICKER ON THE HELMET. ALL AUTOGRAPHS COME WITH A COA FROM RACKCITY2210 TO ENSURE YOU THAT THE AUTOGRAPH IS 100% AUTHENTIC.