Hummel “Berlin Airlift” (Luftbrücke Berlin) Commemorative Set. What makes your specific set stand out is that it appears to be dual-signed-it has a printed signature on the certificate and what looks like a hand-signed signature with a date Sept. 17, 1994 on the bottom of the porcelain base, likely from a Goebel family member or a master artist during a special event. Hummel Figurine: “Auf Wiedersehen” (Farewell), featuring a boy and girl waving handkerchiefs. The Set: Includes the “Auf Wiedersehen” figurine and a porcelain replica of the Berlin Airlift Memorial. Edition: Limited Edition of 25,000. Your specific number is 05682. It includes the original box, Certificate of Authenticity (COA), and the wooden display base with the brass plaque. Special Feature: Signed and dated (1994) on the bottom of the memorial base.