Cordyceps piece count is a size grade: count a representative sample at verified dry weight, then express how many specimens make one gram or another stated unit. Fewer pieces per unit usually means larger bodies, but appraisal must first confirm coherent natural specimens and then consider uniformity, harvest stage, breakage, inserted supports, moisture, origin evidence and current demand.
Count only after defining the sample and unit
A transparent count begins with a clean tray, a zeroed scale and specimens separated from paper, thread and decorative supports. Weigh enough of the lot to represent its variation, count those specimens and state the unit used. A tiny hand-picked sample can exaggerate grade if the largest bodies were arranged on top, so selections should come from the centre, corners and lower layer of the package.
Large-grade cordyceps commonly has fewer specimens per gram because each larval body is fuller and heavier. Smaller material produces a higher count. That relationship becomes unreliable when the batch is wet, packed with soil, repaired with wire or mixed across grades. Report an average and a spread where possible, and list broken pieces separately instead of rounding the result toward the most attractive subgroup.
Biological coherence comes before trade size
Natural cordyceps should present a segmented larval body, eight pairs of legs with the middle pairs more evident, and a fungal structure emerging plausibly from the head. Existing breaks may show a pale interior and central mark. Colour varies from yellow-brown to earth-brown, so a bright surface cannot authenticate the species or a plateau location without the rest of the morphology.
Harvest stage also shapes the grade. A very long fungal structure paired with a shrunken body may indicate later collection, while a compact structure and full body can support an earlier-stage presentation. Inspect joins, toothpicks, metal, adhesive, added powder and local softness. Dryness affects both stability and true weight; a flexible specimen may require closer moisture review before any count is accepted.
A piece-count label should remain reproducible
Record sample weight, specimen number, selection method and the proportion of complete, broken and repaired material. Photograph the scale display beside the counted tray and retain the rest of the box arrangement. Origin confidence, aroma and lot consistency belong in separate fields. This method explains why two boxes with similar colour can occupy different grades without turning piece count into a fixed quotation or an authentication certificate.
Do not mix count conventions
Some trade notes quote pieces per gram, while others use pieces per tael or a larger bulk unit. Write the original unit beside the number and retain the sample calculation before converting it. Conversion should not hide the actual specimen range or broken-piece share. If two boxes use different conventions, recalculate both from fresh representative samples under the same dry conditions. A shared unit makes comparison easier, but the underlying sample records should remain available for review.