cleaning kit for anti-tank rifle ( Panzerbüchse39 or PzB 39). The cases are almost identical in shape to the RG34, but much larger than those of the classic RG34 (18 x 13.5 x 2cm). This model was only manufactured by G.Appel but only under two markings, code "64" or "cnx". 
 
 content: 
 - chain marked "cnx" + WaA20 
 - metal burette marked "cnx" 
 - room cleaning tool present 
 - the 2 swabs (brush and brass) 
 - wicks 
 - case extractor