The rare 1950s jeans worn by Marilyn Monroe, previously owned by Tommy Hilfiger, are going up for auction with an estimated value of $50,000.

Fortner, who has one of world's largest, privately-held collections of Marilyn Monroe memorabilia, tells PEOPLE that as a collector it's been difficult to follow the dress's current journey.

"We wanted bold, unapologetic, fierce, glamorous women. Amy Winehouse, Britney Spears, Cher, Marilyn Monroe, Elizabeth Taylor who was renowned for her beautiful pieces and exquisite jewelry ...

Reynolds, who was a great collector of film memorabilia, reportedly wanted ... Group on a 12-piece capsule collection called "Marilyn Monroe by JCPenney." The collection highlighted Monroe's ...

"Diamonds are a girl’s best friend," Marilyn Monroe asserted in 1953 ... As for her gloves, one lot of three pairs fetched $6,900. The Monroe memorabilia also offer an intriguing, and touching ...