Rock fans are being given the chance to bag the "ultimate piece of heavy metal memorabilia" at auction – the original artwork of Motorhead’s emblem.

The famous Warpig design of a helmeted beast with tusks, an Iron Cross, chains and miniature skull was first created in the 1970s.

It was designed by American artist Joe Petagno in conjunction with Motorhead founder and lead singer Lemmy before the pair fell out and the artwork was lost.

The logo was reproduced in 1987 and the British artist who created it is now parting with his original sketch, which is the only one in the world.

The Argus: Motorhead performingMotorhead performing (Image: SWNS)

The Warpig design is now expected to fetch between £5,000- £6,000 when it goes under the hammer at Hansons Auctioneers in Etwall, Derbyshire, on December 8.

The sale is being heralded as a 'once-in-a-lifetime' opportunity to own one of the most famous pieces of rock n roll memorabilia.

The designer, who lives in West Sussex and created the emblem at Lemmy's request, said: "It is the only one in the world! It may sound an outrageous statement but it is fact.

The Argus: Lemmy died in 2015Lemmy died in 2015 (Image: SWNS)

"This version of Warpig has been used on official merchandise since 1987.

"It is a significant symbol, not just of the band but, culturally, of the entire spectrum of heavy rock and heavy metal in general, in much the same way as ‘Hoover’ has become synonymous with vacuum cleaners.

“It is an original and exceptional piece of artwork, not merely a product of design mechanicals.

"Petagno's air-brush painted version was lost or destroyed years before this was created.”

The designer, who created much of the band’s tour and retail merchandise for more than a decade, is also selling Lemmy’s Motorhead T-shirt, estimate £500-£600.

The Argus: Designs for the t-shirtDesigns for the t-shirt (Image: SWNS)

He added: “Lemmy literally gave me the shirt off his back as reference for a design he wanted worked up for a forthcoming UK Tour.

"The next time I spoke to him I asked what he wanted me to do with the shirt. He replied, ‘Keep it’."

The sale also includes Lemmy's own hand-drawn sketches plus supporting notes and faxes.

It charts the development from post-it notes and other sketches to final designs for a Motorhead tour and retail merchandising.

Motorhead played at the Brighton Centre in Kings Road, Brighton back in 2010.