Venda de artigos artesanais de marcas portuguesas
Mercado Porto Belo is an urban market held on Saturdays, focused on vinyl records, illustration, typewriters, accessories, clothing, jewellery, sweets and organic products. You'll find it at Praça de Carlos Alberto.

Image: from the event entry at Agenda Porto.
Source: Agenda Porto (Câmara Municipal do Porto). Details can change; the original entry is the reference.