

The anti-counterfeiting edge notch introduced on 2021 American Eagle 1-ounce gold and silver coins was relocated for the 2022 and 2023 issues with little public announcement by the United States Mint.
The anti-counterfeiting device appears on all versions of the redesigned 2021 American Eagle 1-ounce gold and silver coins.
The notch interrupts the reeding on the edge roughly at the 6 o’clock position, as oriented to the obverse, on those 2021 issues.
...
For the 2022 American Eagle 1-ounce gold and silver bullion coins and the Uncirculated and Proof coins, the anti-counterfeiting notch was relocated to roughly the 7 o’clock position.
On the 2022 American Eagle gold coins, the notch, when the coin is viewed from the obverse, appears below and left of the U.S. Capitol. For the 2022 American Eagle silver issues, the notch in the edge appears just below the sun.
For the bullion, Uncirculated and Proof issues of the 2023 1-ounce gold and silver coins, the edge notch is relocated once again. The notch appears at the 3 o’clock position, as viewed from the obverse.
...

Edge notches on American Eagles moved in 2022, 2023
The security device implemented on the edge of all genuine American Eagle gold and silver coins since 2021 shifted in location for 2022 coins and again for 2023 pieces, with little fanfare for the change.
www.coinworld.com