Original small 18k gold Blue Max P.L.M. button, previously owned by General Major Hans Klein. General Major Hans Klein (17 January 1891 – 18 November 1944) was a German World War I fighter ace credited with 22 aerial victories. During World War II he held the position of Geschwaderkommodore of the JG 53 "Pik As" fighter Geschwader (wing). Includes book "Pour Le Merite Flieger" by Walter Zuer, inscribed 'Klein'. Provenance: From a Santa Barbara, California estate. PLEASE NOTE: payment for silver, gold, jewelry, and coins must be made via PayPal, cash, or bank wire transfer ONLY. Credit cards will only be accepted in-person with valid photo ID.