Bro I’ve dealt with this before, and honestly the PSA authorization letter is super simple — just your name, the person you’re authorizing, and a signature. Make sure both sides have valid IDs because they really verify everything. I used this method myself when I couldn’t go in person, saved me a lot of hassle. If you want to format it cleanly, I actually used
Hypic Mod APK to tidy up my letter before printing, worked smooth.