Driveshaft with slip yoke

I have a small U joint driveshaft with a slip yoke for sale. New U joints installed, blasted & painted. Rear joint is an offset from 7260 to 7290 but can easily be changed out for just a 7260. $125usd plus the ride. Specs are as follows;

Length from center U joint to center U joint is 51.5 "

Slip yoke is 8 " long, 29/30 spline for 727 or 833 trans.

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Can you tell me possibly what the driveshaft came out of. And what shipping would be to 77627, thank you.