I'd go with a mixture of both to maximise the benefit of your time invested.

I'd recommend setting up a website that presents the top 20 pieces of art (or styles) that drove 80% of your revenue over the last year.

Finish with an enquiry/request form.

Perhaps also consider giving away some piece of content for free (e.g. 2021 lookbook/top 10 design tips for accessible art) in return for their email address or phone number.