Hi Nelson,
that plant looks healthy leaves and all.
Please post pictures of ripe fruit when the time comes and dscription of taste.
You get red in veins and they disappear as they grow i read.
Some plant i have do similar VdB, Dark Portuguese and Negretta. My hardy chicago does not that i recall, your leaves have some similar leaves but the other leaves are not displayed on mine HC so although maybe from same region i doubt there the same .
Course you will see soon for yourself. ; )