 The "Condoommonstrans" is now preserved in the "church-critical collection" at the Museum Catharijneconvent in Utrecht.On 1 November 2015 an exhibition opened featuring approximately 100 Derrez pieces at the in Apeldoorn in celebration of the artist's forty years as a designer and pioneer in the world of jewelry.Derrez was a board member of the between 1976 and 1981, serving during the latter part of the part of that period as chairman.