The specimens proposed are of the first quality (A1 Specimen perfect) except mentions A1A -, A - et A2
Codes of quality:
A1A- -10% on the A1 price: Virtually perfect, very light defect. Good quality.
A- -50% has on the A1 price: With defects, but of sizeable, often reparable quality.
A2 -75% on the A1 price: Second choice. Specimen with important defects can be used as reference for the rare species.
Specimens at special prices proposed by quantity:
It is possible that certain specimens proposed by quantity at reduced prices are not all top-quality, if it adorned you unacceptable it's better to abstain and to order them the unity.