Appraisers tend to throw the word provenance around pretty freely, and rightfully so. It's an important consideration when valuing antiques and collectibles, including the chair shown here which belonged to Scottish poet Robert Burns. Click through to learn about the colorful name given to this chair by Burns, and a little more about what provenance is all about. Photo (c) Getty Images

Julien's Auctions summer sale was held last weekend in Las Vegas, and I luckily had an opportunity to view the beautifully curated preview with my photographer in tow. The result is a Celebrity Memorabilia Price Guide filled with interesting items once owned by Elvis Presley, Marilyn Monroe and Cher along with others. Most of these items exceeded their pre-auction estimates leading the two-day sale to exceed $2.1 million in proceeds.

Is the piece shown here a pricey Roseville ewer, or just another fake? While most Roseville enthusiasts can tell straight away, the inexperienced antiques dealer or novice collector can be fooled by these imports. Learn to identify Roseville reproductions by comparing old and new pieces with a step by step feature: Identifying Roseville Reproductions. The next time you hit the flea market fields, you'll be armed with the knowledge you need to sidestep the fakes.

A vintage necklace in poor condition sold for the formidable price of $63,000 by Julien's Auctions in Las Vegas last weekend. What made it special? The necklace, along with a number of other vintage accessories and garments sold during the 2-day auction, was formerly owned and worn by the legendary actress Marilyn Monroe.