The BSP "seal type 2" designation marks a subtle but cataloged revision to the reverse hub used on this denomination, a change introduced without public announcement as part of routine die retooling. The Philippine mint has made several such incremental modifications to the 1 Piso across successive production runs since the New Generation Currency series launched in 2018, and distinguishing them requires close attention to the seal's inner detail rather than the broader design.
The BSP "seal type 2" designation marks a subtle but cataloged revision to the reverse hub used on this denomination, a change introduced without public announcement as part of routine die retooling. The Philippine mint has made several such incremental modifications to the 1 Piso across successive production runs since the New Generation Currency series launched in 2018, and distinguishing them requires close attention to the seal's inner detail rather than the broader design.