Four Scottish pewter flat lid baluster measures

Four Scottish pewter flat lid baluster measures, Edinburgh, with shell embryo thumbpieces; Pint capacity by David Gourlay (Cott 1941), house mark of a lamb, initials 'MD' and 'GIV' mark, 6.25in (16cm) h.; two 1/2 pints by William Scott 1826, (Cott 4161) and Kinniburgh & Son 1826 (Cott 2766); the fourth unmarked. (4)