Bartolomé Esteban Murillo (1618-1682), The Immaculate Conception. Oil on copper, an engraver's plate for the Triunfo de los religiosos. 21⅛ x 15½ in (53.7 x 39.4 cm). Estimate $250,000-350,000. This lot is offered in Old Masters on 27 April at Christie's in New York
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