Robertson screws

1908 Robertson  created the square headed screws.  They provided improvements over the slotted designs.  Still the #1 preference in Canada. This painting is an Original Watercolour mounted directly onto a 5x9” x 1/2” board.  Painted with artist grade watercolor paints, 100% cotton paper, and sealed with archival wax making it water resistant.  Price is $110 plus shipping costs when apply. Message MySketchyFriends@gmail.com for more information