Medicinal Plants Series 3 concordant covers completed and a common error

Well, all the concordant covers have finally got back. I want to thank I.T. for helping me out with this.

Click here for the items available.

Here is a common error:

20150120 Medicinal Plants Series 3 official image

Did you notice that ALL the envelopes do not have the issue title? So the rare envelope is actually the correct envelope!