Lot 20305 – 1930 (May 26) Envelope sent registered within Berlin with franking tied by the Olympic Congress special cancellations

1930 (May 26) Envelope sent registered within Berlin with 3pf, 5pg, 8pf, 10pf and 15pf tied by the Olympic Congress special cancellations with the very rare Congress registered label below and numbered « 001« , Berlin backstamp, very fine and very rare, one of only five registered items from the Congress recorded by Bergman, used on the first day of this cancellation (second day of the Congress), ex Manfred Bergman.