1960sAmsterdambikersblack and whitecatalogueCNDcounterculturedrugsElliottGalleryexhibitionfamousHoppyJohn Hoppy Hopkinsmusicianspeace activismphotographrock starssolo showThe King of the Underground Exhibition Catalogue – Hoppy 2024 The cover of the exhibition catalogue for the photographer John 'Hoppy' Hopkins, titled 'The King of the Underground', from October 19 2024 to January 25 2025 at the ElliottGallery in Amsterdam Gallery: news Keywords 1960sAmsterdambikersblack and whitecatalogueCNDcounterculturedrugsElliottGalleryexhibitionfamousHoppyJohn Hoppy Hopkinsmusicianspeace activismphotographrock starssolo showThe King of the Underground