1860s flow black mulberry transferware saucer plate, Vincennes Alcock - England

Antique mid 19th century flow mulberry black transferware saucer in the Vincennes pattern, John Alcock - England. A former owner has dated this diamond stamp to 1865, and marked it as shown in ink.

This is a nice deep old fashioned saucer, worn and scratched from being used as a bowl, but without chips or cracks. It's about 5 1/2" diameter.