Rule-based classification from titles + descriptions · 100% coverage
Material Completeness Multipliers
Median vs cel-only baseline · design framework said cel+bg = 3–5×, cel+bg+drawing = 5–10×
All auctions
Signature-only (format-controlled)
Disney Signature — bg holds at 3.47×
S-Anime Signature — bg only 1.20×
Series Tier Multipliers Signature-only
Median vs C-tier anime baseline · design framework said S > A > B > C
B-tier cult anime (Bebop/GitS/Berserk) beats A-tier mass anime (DBZ/Sailor Moon/Eva) 2.7× — the design ladder was built from top-lot anecdotes; the full distribution shows cult scarcity wins at the median.
Auction Format — the dominant driver
Curated flagship sales vs weekly clearance. Framework multipliers are only valid within a format.
Signature vs non-Signature median, by tier
Seasonality
Peak months = flagship sale months (Mar / Aug / Oct / Dec)
Top Series by Median Price n ≥ 3
n ≥ 10 solid · n < 10 directional only
Confidence Intervals
Bootstrap 95% CI on median · 2,000 iterations
Price Reference Framework
series tier × completeness · n ≥ 5 · median / IQR / max USD