10 – More from the Nelson Family Collection Selections from the Collections of Beatrice Tonnesen’s great nieces and nephew. Show Thumbnails>> ◄ Back Next ► Picture 13 of 27 Based upon the time period during which the dog and the woman modeled, I (Lois) would date this print to around 1918-20. It is signed Tonnesen. 10-13-Signed Tonnesen Nelson 1910-1920