From marklin forum.
On 5 and 6 Februari the Marklin museum has sold a few items at an auction in Goppingen by 'Auktionshaus Hohenstaufen'.
The Marklin factory from 1905 reached the highest price ever paid for an Marklin opject: € 442.800, - [scared]
With the mountain from 1900 with € 215.250,- on 2nd place.
The Nazi JU52 with swastikas - that was recently still owned by the Marklin family - found a new owner for just € 11.685,-
LINK TO AUCTION