from my collection provenance. The Vintage Grateful Dead 2004 Summer Flask is a unique and collectible item for fans of the iconic rock band. Made of stainless steel, this original piece features the classic Grateful Dead design and embodies the spirit of the band's music and nostalgia. Perfect for music memorabilia collectors or fans of the Grateful Dead, this flask is a timeless piece that pays homage to the legendary band and their influence on the music industry. Made in the United States, this flask is both a functional and decorative item that celebrates the rock and pop genre.