शुल्बरूपं सुवर्णपत्त्रसंहतं प्रमृष्टं सुपार्श्वम् तदेव यमकपत्त्रसंहतं प्रमृष्टं ताम्रताररुपं चोत्तरवर्णकः ॥ कZ_०२.१४.३१ ॥
śulbarūpaṃ suvarṇapattrasaṃhataṃ pramṛṣṭaṃ supārśvam tadeva yamakapattrasaṃhataṃ pramṛṣṭaṃ tāmratārarupaṃ cottaravarṇakaḥ
ຊິ້ນງານຮູບຮ່າງທອງແດງ ທີ່ລາມິເນດດ້ວຍໃບຄຳ ຂັດໃຫ້ເງົາ ແລະເຮັດຂ້າງໃຫ້ດີ; ເຊັ່ນດຽວກັນ ຊິ້ນທີ່ລາມິເນດດ້ວຍໃບຄູ່ (yamakapattra) ແລະຂັດໃຫ້ເງົາ; ແລະຮູບແບບທອງແດງ-ລວດ—ທັງໝົດນີ້ເອີ້ນວ່າ “ສີຊັ້ນສູງ” (ເຮັດໃຫ້ເບິ່ງຄືມີສີ/ຊັ້ນດີກວ່າ).
That fraudsters engineer superior-looking color/finish to pass visual grading—so governance must not rely on hue/polish as proof of value.
Overreliance on surface finish and edge quality; the passage warns that excellent workmanship can still conceal base-metal interiors.