Study of Abraham Being Tested by God; Robert Smirke; 1752-1845; British; and / or Mary Smirke; 1779-1853; British; undatrd; Pen and brown ink; over graphite on medium; smooth; cream; wove paper; mounted on; thick; smooth; brown; wove paper; Sheet: 3 11/16 x 2 9/16 inches (9.4 x 6.5 cm) and Mount: 12 9/16 x 10 inches (31.9 x 25.4 cm); altar; beard; Christianity; clouds; faith; father; figure study; Judaism; Old Testament; religious and mythological subject; sacrifice; son