Well... if you ask me... it has everything to do with it.
So often this question comes up. How do I finish the backs of my Friendly Plastic pieces. Here is a wonderful option to consider. COPPER... Amaco has a great line of metal products, copper being one of them. I have used their medium weight copper as a backing for some of my pendants with amazing results. The copper is easy to cut with scissors, no need for shears, punch holes with a 1/16" hole punch with out a problem and it can be easily hammered to create texture. You can heat it to create some wonderful color variations, antique, and patina it. The possibilities are endless.
Here are a few pieces that have been textured and have had Sophisticated Finishes patina green antiquing solution applied.
These were finished with Liver of sulfur. I love the dark aged effect, it works great with the aged brass filigree components I am so fond of. Along side them are the coordinating Friendly Plastic pieces with my Splash technique (alcohol inks) applied.
Just take a look at how Fabulous your finished pieces can look.
I am sure you have heard this before, but it is worth repeating, because I think it is the most important thing to remember if you are designing jewelry for retail...WOULD I WEAR THIS! I try to design each piece of jewelry as if I were creating it for myself. This way I always strive for perfection and the WoW factor. If you want to get top dollar for your work, then the back really is as important as the front.
Here is a look at the back. One is finished with a patina and the other is finished with liver of sulfur. Both have that aged and worn effect. If you prefer a cleaner look for a more contemporary piece, then leaver the copper natural. Take some time to play with different finishes and effects. Jen Lowe has a great blog post showing several effects that she experimented with. You may want to take a look.