>>4320779So just like
>>4320811told you, these are engravings, Tha shadows are made with cross hatching and different line width and spacing, a good way to start this style of drawing in traditional media and without printing techniques is using ink, and scratchboard, here's a good tutorial to start:
https://youtu.be/nhuW4EnKNmkPicture related, fromwhen I tried to achieve an old timey look, but in the end just gave up on drawing