WW2 German Kriegsmarine 'Donald duck' Cap/Hat Weathered Tally etc

[Panzer Kettenglied Sammler]

WW2 German Kriegsmarine 'Donald duck' Cap/Hat Weathered Tally etc

Plus other KM items Any idea of value ?

Danuvia mini sub torpedo timer, press and wait for torpedo to hit, no noise at 3,4,5,6 min intervals, fire again !

ww2 Uboat information plates and finally the original ww1 uboat medal without ribbon

all for sale, but I need an idea of current value first. I have a rough idea

Thanks for your help !!