Here is the cover of Bessatsu Shonen Magazine March issue featuring XXXHOLiC and another BSM series, Loveplus:

Click to enlarge it.

Source: Bessatsu Shonen Magazine official blog.

The magazine goes on sale February 9 and features XXXHOLiC’s last chapter.

Update: Amazon.co.jp has a bigger version of Jump SQ #03 cover, featuring GATE7:

Click to enlarge it.