Analysis Auction Records Authentication 
JSK Fine Art Appraisals
JULY 14, 2025
Aside from these markers, appraisers rely on other forms of documentation such as auction records, catalogue raisonne , and other historical archives that researchers have access to that can help establish a working timeline of the artworks history.
The Art Newspaper
JUNE 24, 2025
In 2013 it was sent to the Canadian Conservation Institute at the National Gallery of Canada for analysis and authentication, where it was attributed to Thomson. Its authenticity, Murray tells The Art Newspaper from his home on Kauai, was also confirmed by the late Thomson expert, art scholar and curator Dennis Reid.
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