English Black Glass Pancake Onion Bottle Late 1600s / Early 1700s Rum / Wine

  

English Black Glass Pancake Onion Bottle Late 1600s / Early 1700s Rum / Wine. Original, fully intact bottle with wide lip.

Some encrustation on bottom and loose crust inside from burial or ocean find. Incomplete crack on one side (see images). English in origin and probably used to hold rum or wine.