This etching is a study in light and shadow of Taos pueblo pots (Georgia O'Keefe's Adobe staircase) by Santa Cruz, California artist Pam Ackerman (American, 20th Century). Edition number A/P. Image, 10.25"H x 7.75"W. Ackerman studied illustration and design at San Jose State University and fine art at University of California, Santa Barbara, Class of 1982.