Post by darkormex on Dec 30, 2014 19:48:29 GMT -5
ISWSC World Wide Stamp Identifier
www.iswsc.org/iswsc_identifier.html
Stamp Compare (Software for Comparing Stamps)
www.photogrammetry.com.au/stamps/
retroReveal
www.retroreveal.org/
G.B. (Great Britain) Postal Towns
philately.ttrr.org/gb/towns/victowns.html
G.B. Precancels (World Telegraph Stamp identifier)
www.gb-precancels.org/Telegraphs/site-map.html
Stamps expertised by American Philatelic Society
stamps.org/Certificate-Archive
www.iswsc.org/iswsc_identifier.html
Stamp Compare (Software for Comparing Stamps)
www.photogrammetry.com.au/stamps/
retroReveal
www.retroreveal.org/
G.B. (Great Britain) Postal Towns
philately.ttrr.org/gb/towns/victowns.html
G.B. Precancels (World Telegraph Stamp identifier)
www.gb-precancels.org/Telegraphs/site-map.html
Stamps expertised by American Philatelic Society
stamps.org/Certificate-Archive