Authenticating late-1980s and early-1990s skate apparel presents a particular challenge: the brands that produced it were small, fast-moving, and left almost no label archives. Bad Billy's — Billabong's short-lived skate sub-label, active from approximately 1987 into the early 1990s — is a prime example. No official …

Original Bad Billy's apparel does not surface often. The label ran for a window roughly spanning 1987 through the early 1990s, distributed through surf and skate shops across Australia, the US, and Europe. Production volumes were not enormous — it was a sub-label, not a core range — and the decades since have done what …