Petersons website has a page you can look up the exact lot code of your box of brass and find the following:
date of mfg, weight, internal volume, basic dimensions (neck wall thickness) and even the exact Amp annealing machine code so you can reanneal it exactly the same.
View: https://www.youtube.com/watch?v=40PLDlGaFaM&t=315s
date of mfg, weight, internal volume, basic dimensions (neck wall thickness) and even the exact Amp annealing machine code so you can reanneal it exactly the same.