A promotional pen knife issued by the Hapag Shipping Company, circa 1900, maker's mark of Balke & Schaaf Solingen, a promotional item for Hapag - Hamburg-American Packetfahrt-Actien-Gesellschaft, founded by Albert Ballin (1857-1918), featuring mercury standing on a globe, with the Company motto, 'Mein Feld ist Die Welt', symbols of industry to the reverse, maker's mark to one blade, housed in a kid purse, length 8.5 cm