श्यावो नीलश्चाप्राप्तकः ॥ कZ_०२.१३.२७ ॥
śyāvo nīlaś cāprāptakaḥ
S’il est brun foncé ou bleuté, il est inacceptable (ne doit pas être reçu).
It means the treasury/mint should not accept such metal as standard bullion—preventing loss from impure or debased gold.