So whats the Black Locust Burl i have posted worth ? It's got to weigh 35 #'s ? but it's not dry !
Depends on the quality of the burl, where you sell it and who you sell it to. Being green (wet) lowers the price per pound typically but bowl turners typically prefer green wood. If you sold it whole you might get $2.50-$5 a pound depending on demand. Black locust is not the most sought after wood by many because it is a hard wood to turn.
If you were to mill it into blocks or planks and dry it you could probably get higher prices. The smaller you cut it, the higher the price per pound goes because you factor in loss for kerf, edges, etc. If you were to cut it down to pen blank size (7/8" square by 5"-5.5" long) you could get $2.50-$5 per blank if they were good quality, dry and you sell it in the right place (PM me if you want more info on this). Figuring each pen blank would only weigh 2-3 ounces, you'd get $20-$30 per pound.
It takes more time to mill it and dry it but you get more return.