Unless AMD are using different packaging in various countries, i think you've been sold a Fake.
I have a 5600x, the product sticker is on top lid and partially on back panel, there is no fan cut out, one side panel has cut out for cpu and the plastic protector looks to be different.
Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3600c16dgtzn kit, NM790 2TB, Nitro+RX6900XT, RM850, Win.10 Pro., LC27G55T..