The AMD Retail Box should come with a White sticker that has both the Serial number and model number on it. See if the Model number corresponds to either of these two Processors:
Ryzen 1600:
![Screenshot 2021-11-21 073159.png](/skins/images/514835D998696E3C3B6244AF73978CDB/responsive_peak/images/image_not_found.png)
Ryzen 1600AF:
![Screenshot 2021-11-21 073159.png](/skins/images/514835D998696E3C3B6244AF73978CDB/responsive_peak/images/image_not_found.png)
The Ryzen 1600 Model has YD1600BBAE while the 1600AF has YD1600BBAF