Contact details
Want to know more?
Call, mail, fax or write to us.
We’ll be happy to help.
For e-mail click here

Office and postal address:

Rietdijk BV
Postzegel- en muntenveilingen
Noordeinde 41
The Netherlands

Opening hours:

Opening hours
Monday to Friday 09:00 – 17:00
Valuations by appointment only

Telephone and fax:

Tél : +31 (0)70 – 36 47 957
Fax : +31 (0)70 – 36 32 893


E-mail :
Internet : (NL)


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Coin auction bidding

Written bids using the bidding form
To place a written bid you need a bidding form. You can download it here as a .pdf document. 
We shall do our best to make your purchase as advantageously as possible.

Online bid form
You can use the online bidform here Download and Save this document to your PC.

Important: Do not fill the document out on-line at the website as data is not being saved online
                  so the sheet will arrive empty in our mailbox.

Fill the document out, save it at your PC (so you have a copy) and then attach it to an e-mail to Rietdijk
as soon as your bids have arrived we will inform you. No reply means we do not have your bids.

Leave prebids online and/or bid live (via RietdijkLive)

If you would like to participate live (online) at our auctions please register here

Once registerd you are also able to  leave prebids via RiedijkLive.

Starting prices
Starting prices for lots in our coin auctions are dependent on their quality. Starting prices are available on request. In general these are 80% of the listed valuation for silver and 90% for gold coins and coins for investment. To improve your chances we can advise you on the strength of your bid.

Sending a bidding form
Once you have printed out the form and filled it in you can submit it:

by post or hand it in to:
Rietdijk BV
Noordeinde 41
2514 GC  The Hague
The Netherlands

or e-mail it to:

or fax it to: 0031-(0)-70-3632893

We recommend you phone us on 070-3647957 to make sure your bid has been received correctly.

  • Take care that your form reaches us on time!
  • We accept no responsibility for bids received (too) late.
  • Check your bidding carefully!
  • Bids are legally binding. Bids by e-mail are treated in the same way as regular written bids.
  • You are presumed to be aware of our terms and conditions
  • We request references from bidders we don’t (yet) know