Rarity
Unknown
As of 2026-04-19, Black Bull (BB) is valued at 1.6K on gpovalues.com — rarity Unknown, demand High, derived from 23 observed Discord trades. The 90% confidence range is 1.4K to 1.8K.
GPO trading values on this site are derived purely from observed Discord trade messages — no hand-tuned numbers, no editor opinions. See how we calculate for the full method.
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