Brick 1 x 2 with White '1', Dark Purple Border, Dots print

Reference

3004pr0080

BrickLink® #

3004pb260

Brick 1 x 2 with White '1', Dark Purple Border, Dots print (part 3004pr0080) is a LEGO element. CollectORbuild's catalog records it in 1 set, including Dorrie's Beachfront Expansion Set.