The Grille (“Cricket”) was a German self-propelled, heavy artillery vehicle armed with the 15 cm sIG 33 infantry gun in a fixed superstructure. The official German designation was 15 cm schweres Infanteriegeschütz 33 (Sf) auf Panzerkampfwagen 38(t) (Sd.Kfz. 138/1).
A Grille nicknamed “Fire Devil” in a firing position in Italy. The crew has chosen a position next to a haystack and heavily camouflaged the vehicle with foliage. (Bundesarchiv Bild 101I-716-0010-26, Dreyer, CC-BY-SA-3.0-de)
Another view of Grille “Fire Devil” in camouflaged firing position. (Bundesarchiv Bild 101I-716-0010-27, Dreyer, CC-BY-SA-3.0-de)
Camouflaged Grille advances along a dusty road on the Italian Front. Note the large quantity of supplies carried on the rear. (Bundesarchiv Bild 101I-479-2194-28, Brünning, CC-BY-SA-3.0-de)
Great photos. Shame they are not in color.