UX2: 1900 2c LIBERTY BLACK ON BUFF PSC DOUBLE OVERPRINT ERROR
ONLY KNOWN
UX1 1900 ISSUE 1c JEEFERSON NEW EARLIEST RECORDED USE
UX1  1c JEEFERSON EX MANILA TO BELGIUM POSTMARKED HONG KONG
UX1 1c JEEFERSON WITH PASTE UP VIEW MANILA TO GERMANY
UX1 MANILA to SHANGHAI WITH LOCAL POST ENTRY
UX1 1c JEFFERSON DATELINED MAILED "ON BOARD" HONG KONG
UX2 1900 ISSUE 2c LIBERTY 1902 MANILA TO SAIGON
UX2 2c LIBERTY SPECTACULAR DOUBLE "PHILIPPINES" OVERPRINT ERROR - 1903 TO GERMANY
UX3 1903 ISSUE 1c McKINLEY WITH HACIENDA DE YEBAN COLONS & RIO PINACANAUAN VIEWS, DATED 1907
UX4 1903 ISSUE 2c BLACK LIBERTY 1906 MANILA TO FRANCE
UX5 1903 ISSUE 1c McKINLEY FIRST DAY OF ISSUE & WITH SHIFTED OVERPRINT
UX5 1c McKINLEY WITH PASTE UP VIEWS
UX6 1903 ISSUE 2c LIBERTY EARLIEST RECORDED COMMERCIAL USE
UX7 1906 ISSUE 1c McKINLEY WITH 1906 S.S. MINDORO CGS POSTMARK, COTOBATO TO ZURICH
UX7 1c McKINLEY MANILA CIRCULATING WITH PRIVATELY PRINTED NOTICES
UX8 1906 ISSUE 2c LIBERTY PSC TO GERMANY AND BARCELONA
UX9 1907 ISSUE 2c RIZAL BLACK POST CARD WITH PRIVATELY PRINTED NOTICES
UX11 1911 ISSUE 2c RIZAL BLUE  1917 BAGUIO TO WW I  CEBU GERMAN CIVILIAN INTERNEE...
UX12 1912 ISSUE 4c McKINLEY 1914 REGISTERED TO GERMANY and 1915 USED IN SINGAPORE
UX13-UX14 1915 ISSUES 2c RIZAL GREEN & YELLOW GREEN WITH PRIVATELY PRINTED NOTICES
UX14 2c RIZAL GREEN WITH "COMMONWEALTH" OVERPRINT - A FAKE!!!
UX16 1935 ISSUE 2c RIZAL RED 1939 TO NORWAY & 1940 CENSORED TO BELGIUM
UX17 1938 ISSUE 2c RIZAL RED "COMMONWEALTH" WITH LOW CROSSBAR IN "A" FDC
UX18 1938 ISSUE 2c RIZAL "COMMONWEALTH" WITH HIGH CROSSBAR IN "A" PRIVATELY PRINTED ADVERTISING 2 DIFF
UX23 1945 ISSUE CEBU TO CONNECTICUT VERY COMMERCIAL USE OF THE VERY COMMON CARD
UX23 1945 2c RIZAL WITH DOUBLE "VICTORY" OVERPRINT
UY1 1900 REPLY ISSUE 2c LIBERTY REPLY CARD UNSEVERED USED BOTH WAYS 1901 MANILA - GERMANY - MANILA
UY2 1903 REPLY ISSUE 1c + 1c GRANT REPLY CARD VARIETY - WITH MISPRINTED FOOTNOTE
UY2 1c + 1c  GRANT REPLY CARD UNSEVERED 1909 MANILA TO FINLAND 
UZ4 1941 ISSUE 2c RIZAL GREEN PRISTINE MINT OFFICIAL CARD AND FIRST DAY OF ISSUE