320) This is a very unique mailbox, for two reasons! First, it is the ONLY box servicing the Portage Bay neighborhood, which is quite a responsibility. Second, I’m pretty sure it’s the first box I’ve found that sits at the intersection of two avenues. Faithful readers will know that the vast majority of Seattle boxes sit where a street meets an avenue, with the occasional boulevard thrown into the mix. Or maybe even a “way!” But two avenues? That’s freaky.