With the iPhone 6 selling like hotcakes, chances are your fancy new Apple device no longer makes you stand out in a crowd. Even if you choose to spice things up and "personalize" your phone with a particularly colorful case, chances are your fellow subway rider (or freeway driver) will have the same one.

So if you want to up the chances of protecting both your individuality and your gadget at the same time, you might just want to opt for some of the "limited edition" cases out there. Available for iPhone 6 and the larger iPhone 6 Plus, they are sure to add a special touch to your electronic companion.

Which case should you put on your holiday wish list? We have checked out some of the highlights:If you have strong feelings about technology, the Limited Edition Electronic Love case from Android Jones may be your thing. Only 50 of those cases will be sold for the iPhone 6 and the iPhone 6 each, and they sell for $40. They are made by 3RDi Galleries in Honolulu, where "the artwork on each case is reproduced onto an aluminum plate, which results in a vibrant, detailed and long lasting art print," Android Jones reports.

Looking for something a little bit fancier? Then check out this imported 24-karat Gold Limited Edition case available through Rakuten Global Market. It's made by Gold & Co. in London and comes with an exclusive, carved-in serial seal to show just how special it is. So much exclusivity, of course, comes at a price: The standard iPhone 6 version sells for about $224.

If that kind of money exceeds your budget but you still have an eye for bling, you could turn to Castefy's Limited Edition Transparent Case, which has little golden pieces sprinkled all over it. With a thickness of less than one hundredth of an inch, this item "impeccably shows off the slim profile of your device," according to Castefy. At a price of $39.99 for both the iPhone 6 and iPhone 6 Plus models, it turns out to be the most affordable (yet unique) item of the bunch.

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