
Ninjago
sealed: sells ≈ 8.2×/mo
Track your own copy: the archive marks it from real sold comparables the moment it lands, and watches its retirement status from then on.
njo1044Mutation Monster - Appendages$8.42
njo0998Jay ZX - Legacy$3.71BrickLink sold guide, new condition. Figures are excluded from the parts-out figure above — they are priced separately here.