Serial Number 4.8mm ringDescription Unique 18K Champagne gold 4. 8mm ring with a customized serial number of up to 10 letters and numbers engraved through hand stamped engraving. The serial number can be horizontal or vertical. A date to remember, initials of your love one, create a serial number that's unique to you. Since all the engraving is hand stamped, you can enjoy the hand made uniqueness of this ring. This ring can be special ordered! As there are many options such