David Mann (b. 1948) June 1, 2017 Guest User Lot 260, David Mann, Midnight at the Spring, Oil on canvas, 22” x 28”. Sold $2,420. Brian Lebel's Old West Auction - June 10, 2017, Fort Worth. Lot 261, David Mann, Untitled: Mountain Man, Oil on board, 14" x 11". Sold $1,180.