【Brand/Model Number】 Courtois 6 1/2 L Gold Plated Trombone Large Shank Mouthpiece 【Size】 - 【Condition Rank】 A 【Rank Standards】 S...Unused (Based on our inspection standards) -------------------------------------------------- SA...Very Good Condition...Nearly unused, used only a few times, very clean and in excellent condition. -------------------------------------------------- A...Good Condition...Used a few times, overall in good and clean condition. -------------------------------------------------- AB...Good/Relatively Good Condition...Some signs of use, but otherwise a USED item in good condition. -------------------------------------------------- B...Signs of use such as scratches and stains, but still a usable USED item. -------------------------------------------------- BC...USED item with more noticeable signs of use than Rank B. -------------------------------------------------- C...Defective/Junk...USED item that hinders use. -------------------------------------------------- 【Condition】 Good Condition 【Color】 - 【Purchased From】 Major high-brand reuse company/Antique market 【Management Number】 2369683211660