For China (& rest of Asia) & US allow at least 2 to 3 weeks. Depending on the situation it can take up to 1.5 month. This also influences the tracking data shown online.
You can follow it at. The item "20.3cm Antique 18C Chinese Porcelain Kangxi Dish Plate Famille Verte Flower B" is in sale since Tuesday, February 20, 2018.This item is in the category "Antiques\Asian Antiques\China\Plates". The seller is "theceramics_and_collectibles" and is located in Amsterdam. This item can be shipped worldwide.