Door Lock and Knob Illustration - Vintage-Style Line Art #3251427 (License: Personal Use)

This black-and-white line drawing depicts a classic interior door with a circular keyhole assembly at the top and a prominent round doorknob below. The artist uses dynamic hatching on the edges to suggest dimension and shadow, while the knob includes decorative detailing and a visible spindle. The rough, expressive strokes give it a vintage or handcrafted aesthetic suitable for editorial or instructional use.

Commonly used in home security guides, locksmith service pages, DIY repair tutorials, or as illustrative content for articles on door hardware. Matches user intent for visual reference, educational material, or creative design assets.