Obverse
Portrait of Francisco Baltasar, known as the "Prince of Tagalog Poets" "Francisco Baltasar" "Republika ng Pilipinas"
Reverse
Image of Pygmy goby (Pandaka pygmaea), the smallest fish in the world, measuring an average of only 8mm in length when fully grown "Pandaka pygmaea" "10 Sentimo"
Note
“Pi” in Baybayin Script used to be referred to as "Issuer's Mark" in the 80's by the CBP in their documentation. After that, in the 90's BSP started to refer to it as "Mintmark" in their documentation
Remarks
After this coin was considered demonetized pursuant to BSP Circular No. 81 dated