Hackerspace Passport

Hackerspace Passports are a thing that Noisebridge came up with - https://www.noisebridge.net/wiki/passport. They allow you to get a stamped logo or other sigil of a hackerspace that you visit.

PS:One has a stamp for stamping them.. somewhere (it usually lives in the safe --Dbever (talk) 08:31, 23 May 2016 (CDT)). If it is ever lost it can be recreated from this .ai file: https://wiki.pumpingstationone.org/File:Passport_stamp.pdf