I updated my previous black and white image with the detail and full image shown below. See Trombone History Timeline, 17th century (1626-1650). Special thanks to Tassos Dimitriadis.
c. 1630—Antwerp, Belgium: A painting on the lid of a harpsichord by Franz Francke (1581-1643) depicts Belshazzar’s feast. A trombone is pictured performing with string instruments and a keyboard (see below image; public domain) (Munich, Bayerisches Nationalmuseum. Cat. No. 174; Hirt, Stringed Keyboard Instruments 263).