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Phila
Mercury:
An online image and description database for United States covers that is
free, open-access, and non-commercial. Collectors and dealers can upload
images and add to the fully searchable postal history database. It can be used
for research, as an imaged record of a collection, or to list covers available
for purchase. |
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Registration - Accounts
are easy to set up. Please watch for "ping" and respond to
verify email address. |
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