Welcome to the NSDA

Professional stamp dealers you can trust

We hope you will enjoy exploring our site. Here you can meet NSDA dealers and find out about stamps and cover collecting. You will find the resources to locate the stamps or covers you need for your collection, or to sell collections you have inherited or lost interest in. NSDA dealers are professionals who are committed to upholding the highest ethical standards. Allow them to be your partners as we all explore the wonderful world of philately.

(864) 580-8556

Whether you are buying or selling, looking for a nearby dealer or one who handles your specialty, use our Member Dealer Directory to find the Professional you need!

Dealer Directory

Selling Your Stamps?

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Join the NSDA!

There are many benefits of membership (212) 340-4549

Stamp Classifieds

Browse Classified ads from our member dealers for bargains! Learn more »



I am really glad I found the NSDA site. It provided everything I needed to sell the stamp collection I inherited from my father. I got a fair price, and dealing with the NSDA members was a pleasure.

E.W.D. Phoenix, Arizona

Popular Articles


When you know nothing about stamps, or the stamp marketplace, selling a collection you inherited can be a daunting process. Dealing with professionals helps. Read this article for advice.

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The fun in philately is in the hunt. Stamp collectors, by their very nature, love to acquire new items for their collections. In the past, acquiring stamps for a collection was done in a very different way than it is today.

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A 1910 letter from Spain proves there is nothing new under heaven.

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