I can't think of any better provenance for the briefcase's contents.
The Beatles Fan Club Summer 1965 / 1966 newsletter #5 #7
FERRARI SCARLET PASSION 312 512 P3 330 PB 250 GT GTO LM LE MANS 1965 1966 1967
Brands Hatch. Mallory Park. 3 Motor Cycle Programmes From 1965, 1966, 1967.
2 Worcester Three Choirs Festival Souvenir Programmes 1965 1966 VGC Adrian Boult
VINTAGE: Individual copies of 'Speedway Star and News' magazine 1955, 1965, 1966
5 Vintage Painters Mill Music Fair Program 1965-1966 season Shirley Jone theatre
