MIRC Example 2: USED stamp with last 3 digits of serial number removed and MIRC Inventory White Sticker MIRC Example 3: USED stamp and serial number condition hidden by MIRC Inventory White Sticker I've been active on ebay for a few years, I also have personal experience with M. I'm not associated with MIRC, I just admire their work and purchase their products when ever possible. Some common reasons for a "less than first quality" rating of a Guitar are " which is due to string tension on the neck during shipping shock, of which MIRC is well qualified to repair.