what is a letterbox?

I don't have one of my own. I share it with the neighborhood. also noticed your bio. A) thnx for the shout-out and B) I love archery! 🏹🎯

@💞Princess Annabeth💞 oh your welcome!! also yeah, archery is awesome 🏹🏹🏹

@Cruso it is!! 😀

@💞Princess Annabeth💞 yepyepuep