John P. Lovell & Sons. Illustrated design showing Revolver on reverse of 1¢ Postal Card postmarked by "Boston" cds & negative "H" canceller, Very Fine and choice. Estimate  $75 - 100. $0 (Image)

John P. Lovell & Sons. Manufacturers of Single Guns, Revolvers, Air Rifles, Air Pistols, all over illustrated design showing Single Breech Loading Shotgun, Excelsior Air Rifle, Eureka Air Pistol & the Royal Top Spinning Pistol on reverse of 1¢ Postal Card postmarked by "Boston" experimental machine cancel, Very Fine and choice. Estimate  $100 - 150. $0 (Image)