Large double pulley block - originally from NBC TV- great piece

Rare find, bought many years ago from Burbank studio retiree in Santa Barbara 1 Sunday at flee-market, paid $120. Marked NBC TV and manufacturers logo , very heavy cast metal hookwhole unit is 7 lb!, operational pulleys can still be made to do plenty of very heavy lifting, great for decor or adapt to boat or garden use. Another seller has 1 for on eBay for $280 even without hook or NBC history- first $95 takes it. Call / text anytime 310-305-2910 iphone 12 NOT included