Wallet by Herschel Supply Co, For those must-carry essentials, Billfold design, Gold-tone logo, Internal card and note slots, Presented in a branded pouch. Herschel Supply Co produces quality built backpacks inspired by vintage mountaineering equipment, American heritage and world travel. With a passion for individuality and personal style, Herschel Supply Co adapts to a new generation updating their bags with a modern fit, shape and feel.