Recently me and my friend found some numbers on the side of the Corbin's light buddy in this seasons bp. The numbers are 23 32 52 D 31°58° dose anyone know what this is?

​ https://preview.redd.it/tsjrnixfu7361.jpg?width=2551&format=pjpg&auto=webp&s=dbcb68d2a3898ad48d6458bfbaaf4cb4bafbbb50 Finished this a while ago but haven't gotten around to posting it here. I hope you guys enjoy it :) You can f...