desc_issuer: Philippines desc_issue: 1917 desc_denom: 16c desc_design: Dewey Used by 2 overprinted stamps: Philippines airmail 5/13/1926 16c olgrn issue=1926 airmail d=Dewey ovpt=AIR MAIL//... oc=blk on=issue=1917-16c-Dewey unwmk perf=11 Philippines airmail 11/9/1928 16c olgrn issue=1928 airmail d=Dewey ovpt=L.O.F.//(airplane)//1928 oc=blk on=issue=1917-16c-Dewey unwmk perf=11 Not used by any images. Matches 1 type: Philippines postage 1923 16c olgrn issue=1917 d=Dewey unwmk perf=11 |