Buyer number: this is the unique number you receive when you have registered. Please always use this number when you contact the Customer Support at Troostwijk Auctions. You will find this number at MyTroostwijk under ‘My profile’ and always starts with ID.


Auction number: each auction has an unique number. If you have specific questions regarding an auction please always use this number as reference You will find this number at each auction in the left top side.


Lot number: each lot within an auction has an unique number. If you have specific questions regarding a lot please always use this number and the auction number as reference. You will find this number before the lot title.