Mezzotint, image size 11 x 14 inches, pub. 1911, pencil signed l.r. "Charles Bird", publishers blindstamp l.l., annotated in the artist hand "Engraved & printed in colour at one printing without retouching" l.c., u.r and u.l "Copyright 1911 by C. Klackner, 7 West 28th St. New York.
Watercolor, sight size 5 x 7 inches, 1977, signed "Lauder" l.r., identified on labels from Ruskin Gallery, Stratford-on-Avon, England, affixed to their backings. Lauder painted in the minimalist style of watercolor stating that "the scale of the work is appropriate to the medium of water color, for within this compass extreme subtleties can be made. What was anticipated in a painting was the "unseen", the "unexpected"."