Everlast boxing glove. Hand-signed and inscribed in black felt-tip pen by Gennady Golovkin. Gennady Golovkin currently holds the longest active unified championship reign at four consecutive defenses including the WBA (Super), WBC, IBF, and IBO middleweight titles. The lot / autograph(s) includes an official Online Authentics hologram and matching COA for authenticity purposes.Authentication: Online Authentics COA