Hi,
Yep, line 110 and 111 in raw output so likely header.php as James mentioned or the template.php files if they have header material hard coded. Here is the offending line.
<!-- Easy Verification -->
<meta name="verify-v1" content="<meta name="google-site-verification" content="WrxFygQND2a5dyi1a5Oufj2HZP-dLds-yLOHwz15NXk" />" /><meta name="google-site-verification" content="<meta name="google-site-verification" content="WrxFygQND2a5dyi1a5Oufj2HZP-dLds-yLOHwz15NXk" />" /><meta name="y_key" content="<META name=" /><meta name="msvalidate.01" content="<meta name=" /><!-- End Easy Verification -->
You can see each block was closed twice creating the extra tags.
Cheers,
Chad