@book{5160,
	author = {Bradbury, Frederick},
	title = {British and Irish Silver Assay Office Marks 1544-1968},
	publisher = {J. W. Northend},
	year = {1968},
	address = {Inglaterra},
	edition = {12},
	note = {Titulo en cubierta: Guide to Marks of Origin on British and Irish Silver Plate from Mid 16th Century to the Year 1968 and Old Sheffield Plate Markers´ Marks 1743-1860}
}