Angus Young's School Boy Cap light blue twill cap applied to front with white felt letter 'A', makers label inside 'Gay Star Styled by Philip Joseph of South Yarra'; and a letter concerning the provenance from former AC/DC bass player Mark Evans confirming that the promotional cap was acquired for the vendor by him and was worn on stage by Angus Young in 'The latter half of 1975' ; and reproduction promotional photographs showing Angus Young wearing an identical cap (5) Cap 9.5 cm x 22 cm x 15 cm