Note: 11/1/15 price increased from £4.05 to £6.41
13/1/15 £6.84 now
Manufactured by Jakks Pacific as their "World Of Nintendo" line.
Normally £8.99 and the next cheapest I could find it is £8.
There is only one other 4 inch poseable Mario figure out there made by Bandai Figuarts, but that normally goes for upwards of £20. The quality is a lot better though, but you pay for what you get really.
Super Mario Bros
4" poseable Mario
4 points of Articulation?? (I count 11 though: neck, 2 x shoulders, 2 x elbows, 2 x wrists, 2 x hips, 2 x knees)