Searching for 100089 printed on engine block I found: "BP+DK Junkers Ju87D-3 W.Nr.100089 The W.Nr. could be a MM number of Italy the unit is also of Italy 207 Squadriglia, source B0449". We find a italian Stuka?
Here are a fragment of another label
... 5.
... 13005-C5Nu
73128
ax
In engine hole we also find a fragment of film and some fragment of gum
