2004, December 22: Endangered Philippine Owls
and World Wildlife Fund for Nature (WWF) - Set of se-tenant block of 4 stamps or set of 4 miniature sheets of
8 stamps each (Denomination and Image: P6.00 <Negros scops owl>, P6.00 <West Visayan
hawk-owl>, P6.00 <giant scops owl> and P6.00 <Philippine eagle owl> / Miniature Sheets of 8 Stamps
<Each miniature sheet contains one design of the owls featured on the se-tenant stamps.>)
------------------------------
Legend : P - Philippine peso (pesos)
/ c - centavo (centavos) / s - sentimo (sentimos)
