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 System #6075 Instructions Manual ONLY 1991 | eBay
LEGO System Wolfpack Tower 6075 In 1992 Used Retired 609207930204 | eBay
Lego Castle Wolfpack Set 6075-1 MOC Wolfpack Tower + 6102 Knights + glow in dark | Lego knights, Lego castle, Old lego sets
6075-2: Castle | Brickset: LEGO set guide and database
LEGO 6075-1 Wolfpack Tower Set Parts Inventory and Instructions - LEGO Reference Guide
LEGO 6075-1 Wolfpack Tower Set Parts Inventory and Instructions - LEGO Reference Guide