6075-2: The first LEGO castle, which was released in 1981. I picked this up for $50 last week and built it today. Only missing four pieces and half of a minifig. Such
Amazon.com: LEGO Sofia The First Royal Castle 10595 : Toys & Games
Castle : Set 375-2 | BrickLink
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LEGO® Castle - LEGO® History - LEGO.com US
The 15 Most Expensive Lego Sets You Can Buy Now - IGN
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The Classic Castle dot Com Set Reviews
Vintage LEGO 375 6075 Classic Yellow Castle - first LEGO castle? No - YouTube
LEGO DUPLO Sofia the First Sofia the First Royal Castle - Walmart.com
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LEGO 375-2 Castle | BrickEconomy
Lego Castle - Wikipedia
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Lion Knights' Castle 10305 | LEGO® Icons | Buy online at the Official LEGO® Shop US