Around 80 boys and girls had bought tickets at seven shillings (35p) and the band was only paid £20 on the night.
Mr O'Brien said: "They didn't raise the £35 on the night, and held a sale, a bit like today's car boot sales, on the bowling green opposite the village hall to get the extra money."
He added: "Apparently Brian Epstein came round in his Rolls Royce to pick up the rest of the cash."
Alan Schroeder, a member of the Merseybeat band The Black Knights, has organised the Bank Holiday event at Fort Perch Rock, during which the suitcase will be on display.
Bands will be playing at the Fort between 11am and 5pm on Sunday and Monday, August 26 and 27, as part of the Operation Big Beat event, which will also feature stalls and memorabilia tables.
IF YOU were at the Beatles' performance at Irby Village Hall in 1962, Beatles historian Ray O'Brien would like to hear from you. He can be contacted on 512 8398, or email Rayo1@ntlworld.com