Description:Willie Mosconi endorsed National Tournament brand cue chalk (complete box). Lidded plastic box with gold lettered company name on front has affixed "Willie Mosconi Ebonite Billiards" decal. Contains (12) unused chalk squares, each bearing similar applied "Willie Mosconi" name label on side. Unused and shows light handling/storage wear. Includes letter of provenance from Bill Mosconi: EX/MT-NM