I think your doing good but you need to practice your shading.I can see the lines that look like your scribbling back and forth instead of a nice shading job.Other than that keep up the good work.I know it's not easy but your off to a good start.
Honestly on first glance it looks nice but on closer inspection the lines are a little shakey and uneven in thickness, also the D's are not the same. If you didn't have two of the same letters in a row you mightn't have noticed. Otherwise it's good.