stamped in purple ink on reverse u.c.: PHOTOGRAPHER David (...illeg.) / 20 GLEBE ROAD / GLEBE SYDNEY / AUSTRALIA MW 1107 inscribed in pencil on reverse u.c.: Ω3¼ς inscribed in pencil on reverse u.r.: Press C (...illeg.) / 11½ stamped in purple ink on reverse u.r.: KC 2526 inscribed (diagonally) in pencil on reverse c.l.: Photography 4 / 3¼” wide 133# SIV inscribed in pencil on reverse l.c.: THE THAMES / LONDON stamped in purple ink on reverse l.c.l.: PHOTOGRAPHER David Pott / 20 GLEBE ROAD / GLEBE SYDNEY / AUSTRALIA MW 1107 stamped in blue ink on reverse l.r.: by DAVID POTTS.