Christie’s charges a premium to the buyer on the Hammer Price of each lot sold at the following rates: 29.75% of the Hammer Price of each lot up to and including €20,000, plus 23.8% of the Hammer Price between €20,001 and €800.000, plus 14.28% of any amount in excess of €800.000. Buyer’s premium is calculated on the basis of each lot individually.
THE WILLEM PIETER ADRIAAN DITMAR COLLECTION
Willem L. Baars, Jetteke Bolten-Rempt and Doris Wintgens Hötte, Harm Kamerlingh Onnes, Leiden 2000, cat.no. 26, p. 39, ill..
Voorschoten, Cultureel Centrum, H.H. Kamerlingh Onnes, 13 April-7 May 1973, cat.no. 5.
Venlo, Museum van Bommel van Dam, H.H. Kamerlingh Onnes, 11 May-4 June 1973, cat.no. 5.