cover Dum Dum: 1828-46, entires (2) and entire letters (6) variously showing examples of oval "DUM DUM/POST OFFICE" (HG 1 and 2), framed "DUM DUM/Paid" (HG 4, two in red), "DUM DUM/Bearing" (HG 5, two), oval "DUM DUM/FREE" (HG 7, two examples, both on soldiers' mail), a good range of other markings; strikes and items a little mixed