The exhibition, titled 'The Mortal Remains' dedicated to the rockers, was earlier planned to take place on September 19 in Milan, Italy with the help of former band members David Gilmour, Nick Mason and Roger Waters.
Organisers have now scrapped the start date and suspended ticket sales after discovering the exhibition will not be ready in time. A new opening date is yet to be announced.
"Evolve Devolve, the Italian promoters of The Pink Floyd Exhibition, have announced today that the exhibition, due to start on 19 September 2014 in Milan, has had to be postponed due to production delays.
Fans from all over Europe were expected to flock to the venue to see more than 300 artefacts from the band's career, including a giant inflatable pig which famously broke loose during Floyd's photoshoot in the 1970s and drifted into the flight path of a London airport.