You may wish to bookmark the 1847 USA page as your entry point into 1847us.com since it offers a simple navigation system. The CLASSIC U.S. 1847-1868 and the BANK NOTES 1870-1890 pages feature large images of actual proofs of each design of the early U.S. stamps with links to more information on each design, including a list of Cat. # numbers for that design.
Although 1847us is an identification site and does not provide stamp values, you are probably wondering how much your stamp is worth.
The first stop for most U.S stamps collectors is Stampuoso (see US stamps section), to look up the value in the Cat. # Catalogue, see LINN’S STAMP NEWS for more. Bear in mind that the U.S stamps values provided are prices dealers ask for nicely centered sound stamps.
Stamps with small flaws or less than ideal centering will sell for much less. Recent editions have added a supplement that provides values by grade.
The PHILATELIC FOUNDATION, which issues the PFC certificate, is generously sharing its certificate archive with the philatelic community. Another great resource for both beginning and experienced stamp collectors is The Stamp Collecting Forum.
You are encouraged to use 1847us.com as a starting point for identifying your US stamps.