Hermes Constance 18 Black Epsom Rose Gold Hardware Herms Constance 18 Noir Epsom GHW 2023 Bagista Hermes Constance 18 Mini Noir Black Epsom Gold Hardware #D Vendome Pre owned Hermes Constance 18 Black Epsom Gold Hardware. Description This is an authentic HERMES Epsom Constance 18 in Black. This stylish shoulder bag is finely crafted of Epsom calfskin leather in black. The bag features a crossbody strap with gold hardware including an H buckle at the front flap. The flap opens to a compact partitioned black leather interior with patch pockets.