Harmers Logo

Teleconfrence Information

Harmers International, Inc. 

We are always interested in speaking with you.




What's New

April 17th  Public Auction in Westchester, NY

     Harmers International, Inc. of  New York will hold their next Public Auction on Saturday, April 17th 2021, at our offices in Yorktown Heights NY.

 The auction will begin at 1pm. 

An fantastic auction of over 500 lots - Highlights include:

·          Many lots of Harmer's famous "Collections & Various"

·         The William Gross Fancy Cancels.

·         Richard Maisel British Guiana .

 ·          The Smith Collection of Foreign

·            Much more.


 Viewing is available at our offices:

 • By Appointment any time observing COVID protocals. 

   Travel from the Croton-Harmon Train Station can be arranged.  

 • By Appointment (call 914.962.6900)










Current News

Harmers on the Move

     Keith Harmer is vaccinated and able to travel or meet you on-line.

 - call 914.962.6900 to arrange a date.


Often to the West Coast Florida - By Appointment

Call 212.532.3700

We are always willing to make arrangements to view your collection at your home or work location



We have several other trips penciled in, so feel free to call – we would love to see you.




Recent Events

Consignments are arriving for our Next Auction - call now

                    Mr. Keith Harmer has begun accepting consignments for his next Auction.  Early consignments are particularly encouraged for large or complex collections.  Please contact our offices at 212.532.3700  for more information or to schedule an appointment.   If you are in Europe - contact our London Office at (01144) 020 79893700 we will be happy to assist.  Please note that meetings at our London Office are by appointment only.

Harmer Family News

  Generations of collectors put their trust in the Harmer Family. 

Brandon Harmer is now an admitted attorney in New York State.

Mauritius Rediscovered by Robert Beech, the Curator of the British Library Philatelic Collections describes the key role the Harmer family played in the famous Post Office Mauritius issue.

Harmers is happy to support Joan Harmer and the British Empire Study Group in their monthly webinars. Visit BEstudygroup.org for a schedule.

Are you a club looking to conduct on line meetings? - Contact us for free assistance.







Contact Information New York Office

Contact us by Email, Telephone or Snail mail

While our main office is in New York, we have agents throughout the United States, Europe and other International locations. We make frequent trips for consultation. The Harmers take customer care very seriously. Our aim is to make our website easy to understand, and navigate we know there are times when you may need a bit of assistance or have suggestions.

We have provided a number of ways for our Customer Care team to help you:


For rarities, specialties , appraisals and general about our company:

For general collectables:

For accounting assistance:

We will respond to you within 24 hours, during regular business hours. All email correspondence is completely confidential. Harmers International customers interested in selling their collections may also use our toll free telephone number to contact us during regular business hours: 1-800-223-6067

Online Form:

Please send any specific information about your request so we can direct it to the appropriate people:


Sales Line:     1-800-223-6076

Phone:     212.532.3700

General Calls:    914.962.6900

Hours are by appointment only. Please contact us by phone, fax or e-mail.



Snail Mail:

Send your inquiries to:

  • Harmers International, Inc.
  • 1325 Echo Hill Path
  • Yorktown Heights, NY
  • 10598

London Office



H.R. Harmer, Ltd.  Offices

 100 Pall Mall

St James

 London SW1Y 5NQ England


Office hours are By Appointment only




(01144) 020 7989 3700


 (01144) 020 7321 5667