Signed and dated lower right, "Rembrandt f. 1651".
Watermark: Countermark: Letters "M(quatrefoil)A".
Triangular area of shading below top bar of the chair burnished white. Additional areas of shading added to the clothes, e.g. below the collar, above the right hand, on the cloak on both sides at shoulder level, etc. (White and Boon)