USA 1899 Laflin & Rand Smokeless Powder Hunting Rifle Advertising Cover

USA 1899 Laflin & Rand Smokeless Powder Hunting Advertising Cover - franked with 2c Washington (Type III), tied by Dubuque, Iowa May 9 1899 machine cancel, to Southington, lovely illustration of duck hunters and dog in a blind, c.d.s. arrival backstamp, some to back, an attractive and scarce design, very fine.