If only my first attempts looked that nice. You are well on your way!
Perfect proportional spiral. Shading in the right places. Good balance of negative space. Not much to critique really. Very well done.
Did you draw the backbone of the spiral freehand or use an...
Congratulations Bert. You've worked hard and it's nice to see the results on the cover. Engraved guns on the G & A cover are rare sightings.