If you have shells in double or a list of shells for exchange, we shall be happy to study your offer.

Our conditions of exchange are the following :

- The shells must be identified, with very precise origin (if possible with GPS coordinates), or with very detailed geographical marks.
- The quality of shells has to be situated between the standards F ++ and Gem. We do not accept shells repaired or artificially modified .
- The quantity proposed by species or form has to be situated between 3 and 10 similar specimens.

After study of your list, we send you a backlist of the shells which interest us and we credit your account of the corresponding sum ( including postal charges) on khanshells.com website. You have to choose shells on this site at the level of your credit, which will be sent after reception and check of your sending. If your order exceeds your credit, you can pay the difference separately via Paypal.

Attention : you must sell off your credit in every exchange. If the total amount of your order is less than the sum of your credit, you will lose difference.

Contact us, we study all propositions !


Our conditions of purchase are the following:

- The shells must be identified, with very precise origin (if possible with GPS coordinates), or with very detailed geographical marks.
- Datas have to mention the family, species, provenance and the conditions of collection.
- The quality of shells has to be situated between the standards F ++ and Gem. We do not accept shells repaired or artificially modified .
- The quantity offered by species or form must be at least 5 similar specimens.
- The offered rates have to approach wholesale prices.

After study of your proposal, we send you an order with the list and the number of specimens which interest us, and we can pay you using Paypal or Credit Card.
If you have an Internet site, tell us your proposals of discounts on shells for professional dealers.

Contact Us, we shall study your offer.