16 July 2020
APS Director of Information Service, Scott Tiffney, shares some tips and tricks on searching the Online Philatelic Union Catalogue, which forms part of the American Philatelic Research Library (APRL).
The APS offers a digital membership for $48, ideal for collectors located outside of the US. Click here to find out more and join today (you will need to register first, before accessing the membership form)
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