Two bullets to identify

Hi guys
I found two bullets, probably cal. .50, and I’m looking for help with identification.
The first is 56 mm long, d. 12.98 mm, weight 48.33 g, and is constructed with one part bronze and the other steel.
the second one is 49 mm long, d. 12.93 mm, weight 31.2 g, and is made of steel and aluminium.
thanks for any suggestions

The top one is a 12.7x99 Anthena AP from France it seems and the one below is a core pf a 25x137 TPDS but can not specify the model or the manufacturer.

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