Research ToolsBack to Top

Power Search

Power Search

The most powerful search engine in philately. Search all of our auctions from 1993 to date, plus our Rarities sales since their inception in 1964, as well as some important older name sales.
PSE Population Report

PSE Population Report

Automatically updated weekly, this allows you to check the current population report of any graded stamp. Follow the links to see a graph of pricing history for the SMQ catalogue value and realizations from past Siegel sales.
Census Data

Census Data

Comprehensive census information on some of the rarest United States stamps. Andrew Titley is also compiling data on some of the rarest worldwide stamps.
Past Sales

Past Sales

Link to our archive of past auctions.
The Siegel Encyclopedia

The Siegel Encyclopedia

Informative articles giving the historical background and context for the use of different stamps, designs and denominations.
Exhibits and Mounted Collections

Exhibits and Mounted Collections

Exhibits and mounted collections are an excellent way of conveying original research, and of showing different ways of mounting one's collection.
The Arthur White Postal History Archive

The Arthur White Postal History Archive

This remarkable collection of PDF files contains thousands of covers to destinations around the world. The markings are carefully illustrated and described, and the rates and routes are clearly explained. This is an excellent resource for learning how to decipher postal history.
Philatelic Foundation Online Search

Philatelic Foundation Online Search

Search their online database of past certificates
Today in History

Today in History

Research whether any important historical events occurred on a certain day
Perpetual Calendar

Perpetual Calendar

Useful for dating postal history items
Currency Converter

Currency Converter

Convert between any currencies at today's exchange rate. Also contains some historical exchange rate information
The Curtis Collection

The Curtis Collection

The Curtis Collection census, started by Dan Curtis in the 1990's, was expanded and maintained with the capable assistance of Bill Buker. Siegel Auction Galleries has assumed responsibility for hosting and maintaining this indispensable resource for future collectors.
Hawaiianstamps.com

Hawaiianstamps.com

Comprehensive website devoted to Hawaiian philately.

Authentication CommitteesBack to Top

The Philatelic Foundation

The Philatelic Foundation

Non-profit, specializes in United States stamps and covers and grading. Also has a feature to search past certificates. An excellent source for research
Professional Stamp Experts

Professional Stamp Experts

Specializes in United States stamps, leading firm for grading
Confederate Stamp Alliance

Confederate Stamp Alliance

Expertizing arm of the Confederate Stamp Society
American Philatelic Society

American Philatelic Society

Expertizing arm of the American Philatelic Society
Vincent Graves Greene Foundation

Vincent Graves Greene Foundation

Canada's premier BNA expertizing service
Worldwide Experts

Worldwide Experts

Website with the most comprehensive list of worldwide philatelic experts we have found

PublicationsBack to Top

Linn's Stamp News

Linn's Stamp News

Weekly Publication

SocietiesBack to Top

American Philatelic Society

American Philatelic Society

The largest collector's organization in the United States. Their site offers links to hundreds of affiliated specialized collecting organizations, and has schedules for upcoming shows.
American Stamp Dealer's Association

American Stamp Dealer's Association

Main governing body for members of the stamp trade
Collector's Club of New York

Collector's Club of New York

Founded in 1896, the Collector's Club of New York is located in a landmark five-story brownstone, designed by famed architect Stanford White, located at 35th Street and Madison Avenue in New York City. Their goal is to further the study of philately, promote the hobby and provide a social, educational, and non-commercial setting for the enthusiastic enjoyment of our common passion.
Royal Philatelic Society of London

Royal Philatelic Society of London

Oldest philatelic society in the world. Founded in 1869, permission to use the prefix 'Royal' was granted by His Majesty King Edward VII in 1906. It was ten years earlier that his son, HRH The Duke of York, became President of the Society, an office he continued to hold until his accession to the throne as HM King George V in 1910.
Collector's Club of Chicago

Collector's Club of Chicago

A great resource library from one of America's leading collector organizations
Carriers and Locals Society

Carriers and Locals Society

Website devoted to this collecting area, publishers of the Penny Post.
Confederate Stamp Alliance

Confederate Stamp Alliance

Premier organization for Confederate philately
U.S. Philatelic Classics Society

U.S. Philatelic Classics Society

Classics Society, a great resource for research on classic U.S. stamps. Publishes The Chronicle, a quarterly publication
The Manuscript Society

The Manuscript Society

An international society whose members cover all fields of autograph collecting.

Libraries and InstitutionsBack to Top

National Postal Museum

National Postal Museum

Link to the Smithsonian's National Postal Museum website
The British Library

The British Library

Link to information about their philatelic collections

LiteratureBack to Top

James E. Lee

James E. Lee

Jim Lee's website, specializing in philatelic literature
Philatelic Bibliopole

Philatelic Bibliopole

Philatelic literature dealer Leonard Hartmann's website
Philip Bansner

Philip Bansner

Phil Bansner's website, specializing in philatelic literature
Copyright 2016. All rights reserved by Siegel Auction Galleries Inc. Information and images may be used with credit to Siegel Auction Galleries or siegelauctions.com subject to guidelines and restrictions.
Website Terms of Use and Privacy Policy