Check Authenticity

A serial number is unique to each TAG Heuer timepiece. Serial numbers play a crucial role in demonstrating both authenticity and ownership.

There are two numbers engraved on the caseback of your watch. One number is directly below the other. The bottom number is your serial number. It is generally comprised of two or three letters followed by four numbers. However, there may be exceptions (3 letters with 3 numbers or 6 numbers for certified chronometers).

A serial number is unique to each Richard Mille timepiece. Serial numbers play a crucial role in demonstrating both authenticity and ownership.

Richard Mille serial numbers are engraved on the bottom of the caseback of your watch. The serial number begins with the prefix 'RM' and is followed by a series of alphanumeric characters separated by spaces. Please note, there may be variations from the examples below including serial numbers that incorporate dashes (e.g. RM00-00 AA BB 00/00).

A serial number is unique to each Michael Godard artwork. Serial numbers play a crucial role in demonstrating provenance, authenticity and ownership.

Michael Godard serial numbers are comprised of a prefix of letters followed by numbers. The letters are generally an acronym for the artwork's title and the type of art. Michael Godard Originals feature handwritten serial numbers located on the back of the canvas. Serial numbers for Limited Editions can be found on the COA.

A serial number is unique to each National Geographic | Fine Art Galleries photograph. Serial numbers play a crucial role in demonstrating provenance, authenticity and ownership.

National Geographic | Fine Art Galleries artwork serial numbers are comprised of a unique combination of alphanumeric characters. Generally, the serial number has a numerical prefix followed by letters and numbers.