While I was playing around with the new Armor Stands I found out something interesting:
If you Summon an ArmorStand with a Item In its Hand and try to remove it using RMB you get an glitched Item in Return with a red 0 as Count number.
1. Summon an Armor Stand with an Item in its Hand
2. Right-Click the Armor Stand
You summon a mob with an Item with Count of 0, and then complain about getting an Item with Count of 0, hum.