Tile 1 x 2 with Gauge and "23" Print

Reference

3069bpr0078

BrickLink® #

3069px9

Tile 1 x 2 with Gauge and "23" Print (part 3069bpr0078) is a LEGO element. CollectORbuild's catalog records it in 6 sets, including Deep Reef Refuge and Deep Sea Bounty.