An extraordinarily rare piece of vintage Bruce Lee memorabilia — the 1974 Japanese Menko Blue Back, authenticated and encapsulated by CGC. Menko cards are among the most obscure and collectible of all Japanese vintage card formats, produced in extremely limited quantities for the domestic market and rarely seen in the West. This Blue Back variant adds an additional layer of scarcity within an already rare issue. The CGC AUTH designation confirms genuine authenticity — critical for any serious collector in this space where fakes exist. Bruce Lee's cultural legacy only grows with time, and rookie-era Japanese cards from 1974 represent the earliest and most desirable collectible era for Lee's hobby presence. Raw ungraded examples of comparable Menko cards trade at a fraction of the value of an authenticated slab like this. A truly unique collectible.