1940 NOVEMBER 28: TACLOBAN to PALO, LEYTE CIRCULATING 
Provincial Treasurer official mail, franked with 16c Magellan Landing and 2c Rizal O.B. issues for proper 18c Single Domestic Registered Rate, 20 grams maximum weight. Advertised December 19, then marked Unclaimed and RTS for Return to Sender.

Type I Spacing Between O.B. and COMMONWEALTH
1941 MAY 7: SANTA CRUZ, LAGUNA to MANILA
Court of First Instance official mail also with proper 18c Single Domestic Registered Rate.

Type II Spacing Between O.B. and COMMONWEALTH