Lot 668(Fireworks) Detwiller Street & Co. Red allover design on cover showing Eagle, Shield & Flags with Firework at Left, franked with 1873, 1¢ ultramarine tied by grid handstamps, Very Fine.
Estimate $100 - 150.
Lot 669(Fireworks) George Miller & Son, General Agents For the Excelsior Fireworks. Blue illustrated ad design on cover showing Rocket & Spinning Fireworks, franked with 1883, 2¢ red brown tied by 1886 Philadelphia, Pa. duplex postmark, Very Fine.
Scott No. 210 Estimate $100 - 150.
Lot 670(Fireworks) Hollander & Prechtel. Illustrated design on cover showing Fireworks and Fourth of July Allegories Scene, franked with 1873, 3¢ green tied by Baltimore, Md. cds and grid duplex; cover reduced at right, Very Fine.
Estimate $75 - 100.
Lot 671Fireworks Advertising Covers. Balance of 4 illustrated ad covers, 1870-1890's; with companies including Masten & Wells Fireworks - Boston, Mass. multicolored showing American Cannon Cracker, Herma Fireworks Company - Lockland, O. multicolored showing Eagle Cannon Cracker, etc.; some flaws, Very Fine overall.
Estimate $150 - 200.