The artists, who, a few months back at No. 14, Princes Street, took so many thousands of the inhabitants of this metropolis, being on their way from the north, and on the eve of leaving this part of the empire, announce that they have, for a very limited period, taken the premises Nos. 12 & 14, St Andrew Street, six doors from Princes Street, where, for a short time only, you may have an exact likeness, a frame & glass included, for one shilling, in one minute, by a machine of unerring principles; at Nos. 12. & 14, St Andrew Street, by Mr. Percival, late of the Strand, London, with Mr Christie and Mr Lowe, regularly educated at the Royal Academy, and able assistants. ...
Percival,Mr
[Edinburgh : s.n.,
ca. 1828]
At head of sheet a woodcut silhouette with caption "William Bain".
For date see http://profilesofthepast.org.uk/mckechnie/percival-mckechnie-section-1
Crawford, J.L.L. Bibliotheca Lindesiana. Catalogue of English broadsides,
Silhouettes
Scotland Edinburgh.