Atypical User
After successfully validating redeem pin i got the items but not the achievement per se:

Date Type Granter Username (ID) Buyer IP Credit Debit New Balance
Feb 16,2013 04:10 PM Pin Redemption Redemption #VPBT9W8L4B8N6
2012 GaiaCon Armband
zOMG Convention Bundle
1500 Gold

its a PMX (Nov2012) con card;

BrowserMozilla/5.0 (Macintosh; Intel Mac OS X 10_8_2) AppleWebKit/536.26.17 (KHTML, like Gecko) Version/6.0.2 Safari/536.26.17

thank you for your help
UncleKenny investigated and I believe manually granted it to you.
tyvm and be sure to thank him also emotion_brofist