LEGO 6057 Sea Serpent was a 126 piece Castle set with 5 minifigs released in 1992. It was also called "Black Knight's Ship"
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![Sea Serpent [Certified]](http://bricksandminfigsglencarbon.myshopify.com/cdn/shop/files/IMG_7044.jpg?v=1697924851&width=1445)
