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.
Please note that Portrait of a boy was illustrated in 'Herinneringen door Lou Loeber', Centraal Museum Utrecht, 1980, p. 20 (no. 25)
Nijmegen, Nijmeegs museum 'Commanderie van Sint-Jan', Lou Loeber, 19 March-17 April 1983, no. 84, 87, 99, 104.