Great Britain. 1896 cover franked with ½d pair tied by Glasgow postmark with design on reverse showing "Nobel's Sporting Ballistite Special Cartridge" with printed text on front & back, slightly reduced at right, Very Fine. Estimate  $75 - 100. $0 (Image)

Great Britain. 1897 cover franked with 1d tied by London postmark with Schultze Gunpowder design on reverse in orange showing Shotgun Shell, "Gastight Cartridges for Schultze Gunpowder", Very Fine and choice. Estimate  $100 - 150. $0 (Image)

Great Britain. Cover franked with ½d tied by London postmark with Schultze Gunpowder design on reverse in blue showing Shotgun Shell, "Gastight Cartridges for Schultze Gunpowder", similar to previous lot, but with minor text differences, Very Fine and choice. Estimate  $100 - 150. $0 (Image)

Great Britain. 1900 cover franked with 1d tied by London postmark with Schultze Gunpowder design on reverse in black showing Shotgun Shell, "Gastight Cartridges for Schultze Gunpowder", similar to previous lot, but with text differences, Very Fine and choice. Estimate  $100 - 150. $0 (Image)

Great Britain. 1901 cover franked with ½d tied by London postmark with Schultze Gunpowder multicolor design showing Hunters Shooting Pheasant, reduced at right, F.-V.F. Estimate  $100 - 150. $0 (Image)