Universal Building Set · Supplemental
Baseplate, Gray
· ★ 3.7 (2) · owned by 215 · wanted by 83
No qualifying sold comps yet — the archive doesn't guess. The universal rotation will reach this set.
Sep 2026sealed ── Sep 2026
Your position
Track your own copy: the archive marks it from real sold comparables the moment it lands, and watches its retirement status from then on.
The evidence
2026-03-25sold · sealed · bricklink$15.84