According to our reference, Official Price Guide to Collector Plates, following is the information you have requested. Since all 12 of the plates are by Zhao Huimin, and are not numbered in our reference, I will transcribe the list in its entirety to ensure that you are able to determine which plates you have. With collectors searching the Internet today, and vendors offering their wares for sale there, the supply of some collectibles outweighs the demand. This is very much the case with collector plates. This information is given as an example of private conversation only and is not intended to be used as a promotion of any individual piece.
All opinions is the authors and is given as such with all hazards of judgeing anything from a photo.