20x110 TP-T

Hi guys,

I`m searching for a tecnical drawing of the bullet of a 20x110 TP-T. Headstamp is “3-68 20 MM”. Purpure colour around the primer. Blue coloured bullet with copper driving band, mild steel body und aluminum coloured truncated nose. Brass case, mechanical initiated primer and one flash hole.

Best regards and thanks in advance