Lincoln biscuit

A Lincoln biscuit is a type of circular short dough biscuit of the shortcake variety, usually decorated on one side with a series of raised dots.
The McVitie's version had the word 'Lincoln' embossed on to the biscuit at the centre. Recently it has been difficult to obtain in the United Kingdom.
Lincoln biscuits are still available in Irish supermarkets manufacturered by Jacob's. Despite losing popularity in recent years, the basic recipe has come under academic scrutiny and commercial analysis. In 2004 "Campden and Chorleywood Food Research Association" set up a research project to
 "understand the textural properties which influence consumer acceptance of short dough biscuits (e.g. Lincoln type): ingredient functionality will enable the hardness, crunchiness and breakdown properties to be varied and their acceptability measured." "08.02.04/365"
In Argentina, Kraft Foods produces "Galletitas Lincoln", rectangular Lincoln biscuits with the familiar dot pattern, under the Terrabusi brand name.