Contessa Nettel and KW(Kamera-Werkstatten) glass combination/dark slides

As follows:
A KW film pack back , approx 6x9cm image to camera back 3 inches wide 3 x black KW dark slides, to slide into 3 inch camera back, 2.75 inch x 3.75 inch image.
1 x contessa nettel glass (combination) slide, glass 3"x1.9" 4 x Contessa Nettel branded dark slides, 3 silver and 1 black, for 3 inch backs, for film approz 7x9cm 3 x additonal non branded silver dark slides as above 2 x paper pouches
Questions welcom