A black fountain pen with a silver nib, as used for signing important documents. Often depicted with gold hardware. Positioned at a 45° angle with its tip at the lower left. Like βοΈ Black Nib, commonly used for various content concerning writing, drawing, and signing (e.g., laws, deals, in sports).
Apple and Twitter feature the same designs as their βοΈ Black Nib, but with their tips angled to the lower left.