New BSP SeriesObverse: 1 Sentimo, "Republika ng Pilipinas", year mark
Reverse: logo of the Bankgo Sentral ng Pilipinas
Material: Copper-covered steel
Composition: 6% copper balance steel
Diameter: 15.5 mm
Weight: 1.9 grams
I scoured a huge bank in my city and found only three of these coins. The rarest of the current coins in use, this denomination is hardly necessary but Bangko Sentral has to mint them because they are required by law.