This is Tamiya Accent Color Dark Red-Brown.

Feature:
Color: Red-Brown
Give your military models and figures some added realism with this handy red-brown accent color.
Thinned to just the right consistency, it flows into crevasses on the subject, for realistic depiction of rust, and even to add accents to figures.
The cap has a fine brush for precise application, rendering separate brushes and palettes unnecessary.
Excess can be simply wiped away using a cotton bud with enamel thinner applied.
Can be used on lacquer or acrylic base coats.

Specification:
Volume: 40ml

Include:
Tamiya Accent Color Dark Red-Brown (1 pc)