Semi-grand pianoforte by William Southwell Junior of Baker Street London
Pianoforte by William Southwell Junior, made ca. 1851 - 1856
The nameboard refers to Southwell having been awarded a Prize Medal in the Great Exhibition of 1851
(Both images reproduced by kind permission of the private owner, New Zealand)
This instrument fits the description of the pianoforte in a walnut case sold at auction in Auckland, New Zealand in 1859 and may be the same instrument- see Charles Southwell's timeline for 1859.