03-07-2023, 10:14 AM
Bad picture but give it a try with (use the different sliders for satisfied result):
G'MIC-Qt / Repair / Repair Scanned Document
G'MIC-Qt / Black & White / Multi-Layer Etch
G'MIC-Qt / Repair / Repair Scanned Document
G'MIC-Qt / Black & White / Multi-Layer Etch