I think that Emily is remarkable only because she is the only surviving figural mascot at all. She´s unique now, but for decades there´ve been tons of mascot that resembled her more or less.
Emily is "just" a piece of fine art, the three-pointed star is one of the first real logos, reduced and remarkable - well at its beginnings it was even more reduced, just after Daimler merged with Benz in 1926 the ring around it was born: