A replica is an exact reproduction, such as of a painting, as it was executed by the original artist or a copy or reproduction, especially one on a scale smaller than the original. A replica is a copying closely resembling the original concerning its shape and appearance.
AliExpress sellers are not allowed to sell products of registered brands. The best way to find good replicas of these brands is by using hidden links.
Hidden links are links on AliExpress that are a front for another product. Most of these links are available on Reddit through various subreddits.
Another effective way is to find out keyword options from the AliExpress keyword suggestion dropdown