The mark consists of the stylized letters "H" and "B" separated by a tower design, with depictions of two coins over the letter "H" and two coins over the letter "B"; the left-most coin contains the stylized wording "HENNINGER" surrounded by an ornamental design of a crest; the center-left coin contains a design of a winged person standing atop an ornamental pedestal with two cherubs seated on either side of the pedestal with the wording "PATENT-UND MUSTERSCHUTZ - AUSSTELLUNG IN FRANKFURT A.M. 1881" arching over and around the design; the center-right coin contains the stylized design of a man's head facing left over two stylized shields featuring a stylized creature on the left shield and a crown atop the shield and a banner with the wording "X X X" on a banner laid on the right shield with a differently stylized crown as well as a ribbon design around both sides of the man's head and the stylized wording "WILHELM II KONING DER NEDERLANDEN BESCHERMHEER VAN DE TENTOONSTELLING" arching over and around the design; the right-most coin featuring the design of a woman in flowing clothing with the wording "NDELS TENTOONSTELLING AMSTERDAM 1883" arching over and around the design; the stylized wording "FRANKFURT AM MAIN" at the bottom of the design below the letters "H" and "B" and the tower design in a stylized banner with three horizontal lines on either side of the wording in the banner.