Superb original Deep Purple gig poster from the In Rock World Tour. The tour began in July 1970, after the release of the album In Rock, and lasted 15 months, until September 1971. This rare gig poster was designed by Bogdan Zarkowski, who specialised in posters, merchandise and album covers for the music industry. His many client included Aerosmith, Big Country, Eric Clapton, Cream, Dire Straits, Bob Dylan, Bryan Ferry, Michael Jackson, Jethro Tull, Led Zeppelin, Madness, Moody Blues, Pavarotti, Robert Plant, Roxy Music, Simple Minds, Frank Sinatra, Rod Stewart, T.Rex and The Who.