This padlock sold for $230.27 (Plus $8 Shipping).
Rare unusual high security padlock lock (BRAUN)
Old padlock from Germany with original key.
There is a trick to open the lock: insert key, turn left until key stops turning , pull key, turn key left again!
Heavy lock, works perfectly, excellent condition. Very unusual.
Diameter is 4". - eBay (14 April 09)