Thanks for the comments, guys

Diamond, I'm inclined to agree with you about the cartouche. I'll look around for a simpler style of reference to use.

Thom, I'm not entirely sure I follow you, but do you mean something like this:
Click image for larger version. 

Name:	Corner close-up 2.jpg 
Views:	78 
Size:	645.3 KB 
ID:	107753

Wingshaw