How about Season 3 Episode 9!? Holy sh*t
I'm sure people who read the book knew it was coming (and I was expecting it considering all of my friends who read the book who have been talking about this 'red wedding')
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On another note; I picked this up for a pretty penny!
Damascus Steel (Valyrian Steel), 24k gold plating, and "dragon bone"
For sizing, the blade is 19.5"