Brick 1 x 4 with White 'POLICE' and Red Line Print

Reference

3010pr0016

BrickLink® #

3010pb030

Brick 1 x 4 with White 'POLICE' and Red Line Print (part 3010pr0016) is a LEGO element. CollectORbuild's catalog records it in 5 sets, including Command Post Central and Helicopter Transport.