Focus on this artwork and explain the Attribution.
The painting has been attributed to at least three painters. In 1963, Basil Taylor attributed the painting to Jacques-Laurent Agasse. In 1978, Judy Egerton attributed the painting to Scottish portrait and history painter John Zephaniah Bell. When the portrait was cleaned by Lance Mayer for the 2001 exhibition, The Paul Mellon Bequest: Treasures of a Lifetime, a signature ('R. Burnard pinxit') was discovered in the foliage in the upper left corner of the painting. On the basis of the signature, the painting was attributed to Robert Burnard.
Jacques-Laurent Agasse Robert Burnard John Zephaniah Bell Paul Mellon