the newspaper the western australian wrote in the article 'jewel in the crown displays finery' published on 10 march 1998: " the cup of david is the final item in joanna trummer crystal harp collection, a project she researched in paris and london in 1990-91. apart from cup of david, the collection consists of ranging big items from precious metals and paintings - now contained in private collections overseas and in australia - including the collection of former prime minister paul keating."