It is possible to get herb seeds, I put 10% of the bar to farming. There was one diamond ring missing and I forgot to put it in my inventory. Moreover, I have been managing the kingdom for a lot longer than a year and I know what I'm talking about. I have an inventory screenshot with the 100k coal and have shown the 100k coal to multiple people. As for why I put it to seeds, wanted to see what seeds you could get. Also, I wanted to know if you could cancel an 'order' by emptying the effort bar, which I did after a few weeks. Apparently, you can't.