click to enlarge
Image 1906b-NY-Scribners-02-001-f 
Illustration No. 1     
Illustrator Daniel Urrabieta Vierge 
Engraver  
Lithographer  
Title Caption Sancho Panza. 
Title Supplied  
Part  
Chapter  
Subject  
Illustration Type Frontispiece
 
Technique Process / Photomechanical technique
 
Color Black and white 
Volume II 
Page Number f. title page 
Image Dimension 160 x 113 
Page Dimension 255 x 180 
Commentary Sancho Panza with his donkey; excellent portrait of both.
Vierge's style is absolutely masterly; his figures are detailed and real, full of life.
Notice also the perfect use of light and shadow, halftones and shading.
Usual in Vierge's illustrations, some element in black creates a worth noting contrast.
His short and fine drawing lines imitate etching. 
Notes 1 - Vierge's original drawings (Chinese ink and wash) were reproduced by photogravure (notice the plate mark); the specific technique used, heliogravure, allows an excellent reproduction both of the original wash halftones and of the lines.