How many grafts to treat my balding? (photo)

The number of grafts will depend upon (1) the final agreement of where your hairline belongs and what you want (I will assume that the V-shaped hairline is at the lowest point of your mid-line hairline as shown in the photo which should be within 1/2 inch of the highest crease of the furrowed brow), (2) the thickness of your hair (fine, medium or coarse where the finer it is, the more grafts are needed), and (3) the decision to treat the crown with medications rather than a hair transplant reflecting the number range I will give you.

Frontal reconstruction (fine-coarse hair) range would be between 2300-1600 grafts). See this hairline as an example which appears to have more hair loss than you show: https://baldingblog.com/patient-review-from-italian-vacation-photo/