Need Help From Blazer Gu Ru's , 73-75 Full Convertables

[MAC67]

YEAH I KNOW MY YEARS AR OFF FOR THIS FORUM BUT I THINK THIS ONE GTS MORE TRAFFIC AND I HAVE A QUESTION , I FOUND A 74 oops sorry for the caps lock ,, i found a 74 conversion blazer , it was done by a company called heynke or something similiar , it is pronounced heenkee ,, not for sure on the corect spelling , it has stuff from this company like full cage , pushbar , wierd fiberglass recessed hood , custom steering wheel , wierd molded in luggage rack into the top , also has air and tilt , top has never been off , it has some rust but comes with all new still in the boxes fenders , rockers , and quarters , anyone familiar with these trucks or the correct spelling of the name , any info would be great , any ideas on what it might be worth ?

thanks in advance

Mac
"MAC67"