Claudio Cavicchi Pipes Grading System

		Black Rusticated Ⓒ
		Tan Rusticated ⒸⒸ
		Brown Smooth Ⓒ
		Brown Smooth ⒸⒸ
		Clear Smooth ⒸⒸⒸ
		Clear Smooth ⒸⒸⒸⒸ
		Clear Smooth (Straight Grain) ⒸⒸⒸⒸⒸ / Rare
		Diamante (Top Grade) / Very Very Rare