Minecraft Blind Box Series 4 Obsidian Codes

On the bottom of the box, there is a stamped code.  The 2nd to last character is the letter we are looking for.

Really hope this helps someone out.  My oldest daughter is downright in love with this game and we buy these all the time, but it's disappointing to get a duplicate so hopefully this helps you find the exact one you're after!

Have an amazing day!!!