AK against an unknown

[gliam]

Party $50NL

I am in LP with A [img]/images/graemlins/spade.gif[/img] K [img]/images/graemlins/spade.gif[/img], 2 limpers I raise $5
EP Calls, hes unknown, hasnt done much in about 10 hands, seems a little tight maybe.
Flop A [img]/images/graemlins/heart.gif[/img] 8 [img]/images/graemlins/diamond.gif[/img] J [img]/images/graemlins/diamond.gif[/img]

EP Bets $ at $11 pot, I raise to $18, he quickly raises all in for $30 more. call or fold? with no read I couldnt see calling this. Folding almost seemed to weak.

[schwza]

with no read i would call. i would probably call with AQ as well.