Herbert Lang & Cie AG, Münzgraben 2, H-3000 Berne, purchase 1984. Purchase of Herbert Lang & Cie AG in Berne in Switzerland under lot number 922. No more information available as this company has been deleted. Previous owner is listed at the back: Signature of "Jos. Zardette." Suspicion, because the whereabouts during the NS-era are unknown. No further clues.