Seebeck emigrated from what is now Germany to the United States at the age of 9. He soon established himself as a stamp dealer and cataloguer (as a sideline to owning a stationery and printing shop) in New York City, and published the Descriptive Price Catalogue of All Known Postage Stamps of the United States and Foreign Countries in 1876.
At an early age, Seebeck relocated from what is now Germany to the United States. He quickly established himself as a stamp merchant and cataloger (in addition to running a stationery and printing business) in New York City and released the Descriptive Price Catalogue of All Known Postage Stamps of the United States and Foreign Countries in 1876.