0x1A - Display Item
-------------------
Client->Server:No
Server->Client:Yes
Length:dynamic

byte 0x1A
short size
uint serial
ushort artworkID
ushort amount (if serial & 0x80000000)
byte stackID (if artworkID & 0x8000)
ushort x
ushort y
byte direction (if x & 0x8000)
sbyte z
ushort hue (if y & 0x8000)
byte status (if y & 0x4000)