ABOUT Private Treaty Sales


Private treaty sales are direct sales that occur through conferences between buyers and sellers. The material offered through private sales are typically extremely unique rare presenting an extraordinary opportunity for the discerning collector.

Buying through Private Treaty

Given the nature of this type of sale, the opportunities to participate in private treaty sales are generally reserved for existing Harmer clients or prominent subject matter collectors.

Prospective buyers are welcome to contact us or submit a want list and contact information for consideration. Our private treaty lists are confidential.

Private Treaty buyers are subject to a Buyers commission.

Contact Keith Harmer at Keith@HarmersInternational.com or phone: 212.532.3700.


  • Privacy
  • Advance of material being publically offered
  • Flexibility


  • Not publically offered
  • Deal may take time
  • Terms are not always traditional.