United States 1876 Advertising Cover France

Advertising Envelope from WM.Corse & Son Nurseries Baltimore, MD to France bearing Scott 158, 3c green (pair) tied by cork cancel with adjacent Baltimore datestamp routed via NY with French entry cachet Etats-Unis 2 Cherbourg 2 (Salles 1801) double ring in blue. A superb item of trans-atlantic mail. (pt)    ID: 22787