Pictorial envelope, "Hearts of Oak are our Ships"

envelopes

Pictorial envelope; white envelope with blue ink, image on right, vignette of ship undersail in rough water off of harbor or fort, schooner in background, possibly Civil War era; printed at bottom "Hears of Oak are our Ships,/ Gallant Tars are our Men;/ We always are ready,/ Steady, boys, Steady!"