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
LEGO Castle: Wolfpack Tower (6075) for sale online | eBay
LEGO 6075-2 Castle Set Parts Inventory and Instructions - LEGO Reference Guide
6075-1: Wolfpack Tower - Back of the Box Builds
Retro Brick: 6075 - Wolfpack Tower - Jay's Brick Blog