Hello Chanel experts! I’m a well established Hermes junkie, but am looking to add a Boy to my collection. This would be my first Chanel bag. My local store had exactly what I am looking for - old medium boy, black caviar, antique RH hardware. I was planning to purchase the bag after an upcoming vacation, but wondering if this is something I should jump on faster? Is this a common size/color/leather that is regularly stocked or not? Really appreciate your input. Thanks!!