The selection of five letter sheets (mostly with stereos missing) showing printed advertisements inside relating to printing or publishing, comprising T. Kerslake "Cheap New Books", John Richards & Co."Mirror of Parliament" Westminster Review (unused), Henry Penny's much approved Metallic Paper", Milton Press, the used mostly with Maltese Cross cancellations; mixed condition. S.G. Spec. MA108b, 117b, 124, 128b, 150d