German bomb (?) Abhazya 1941 - needs ID

[Dreamk]

This bomb is supposed to have been dropped by the Luftwaffe during the 1941 offensive on the Caucasus.
It looks more as a makeshift bomb (the nose fuze seems to be an old artillery fuze) or an unknown model (at least to me) of Soviet (?) bomb
The object is in display in a Museum at Sukhumi, capital of present day Republic of Abkhazia.
Can someone identify it?

 

[sgdbdr]

Fuze looks like a russian TM4 or TM24

 

[MINENAZ16]

Bomb looks like russian incendiary ZAB-10 (with time fuze TM-4 series) - WW2

 

[Dreamk]

Thanks ! Following your answers I checked in the Pyreev & Reznichenko and it's indeed the 1938 version of the ZAB-10 TG.