That's a LEGO castle how a LEGO castle was meant to be in the early 70s. "Building" was the factor. The LEGO Company already was over 25 years old but still in its beginning of brickbuilt models and without a defined scale. Actually the LEGO cars back than were model railway scale. That's what this castle fits into, too.
The most special parts in this model are of course the flag (that's not quite correct in the picture above) and the blue corner slopes. Those are a bit of a rarity until today.
architect wrote:I was somewhat hesitant because everyone here is competition to each other. I also need the instructions or the whole set.
Hehe, I'm out of this race, yeah. My copy of the instructions is badly worn, though, and if it was a 6030 instruction sheet I wouldn't even consider it worth a collectible and throw it into the trash bin, but well...
I've never seen a box for this set, no colourfully printed one, that is. Rumours go there was just a plain brown carton.