KS-19S / Black with Black Script Products » Gaines » KS-19S / Black with Black Script KS-19S / Black with Black Script $269.00 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 20 25 30 40 50 75 100 Keystone Signature Series – Black with Black US Mail Script. Durable aluminum construction with a proprietary textured powder coat.