Revealing the Birkin 25: The Ultimate Status Symbol for the Modern Collector.xxx.In the world of deluxe style, few things hold as much allure and prestige as the Birkin bag. As we dig into the value of the Birkin 25, we uncover what makes this bag an essential for those that value the finer things in life. The initial Birkin bag, produced in 1984, was designed as a useful yet elegant bag after a