Professionally graded by CGC with the highly coveted grade of 10 - GEM MINT - this card is from Rittenhouse's 2015 Marvel Universe card set.  It is dual signed by both June Brigman and Louise Simonson, the artist and writer, respectively, of New Mutants Annual #4.  Brigman illustrated both the cover and the interior lead story of the issue depicted on the card reverse.  Part of CGC's special Signature Series.  With Signature Series, a certified witness observes the signing of the collectible and then immediately takes possession of it.  Fresh from CGC, it will be shipped with the utmost care.