जातिं रूपं च जानीयान्निधानं नवकर्म च ॥ कZ_०२.११.११७ ॥
jātiṃ rūpaṃ ca jānīyān nidhānaṃ navakarma ca
He should ascertain the kind (category), the appearance, the source/stock, and whether it is newly made (recently worked).
Because outward look can be manipulated; administrative classification (kind) must be independently verified to prevent mislabeling and price inflation.