A couple recently sold on GB.

$3,890.00 for a four incher, sn #BHP7355, Product Code 100563.

$3,575.00 for the six incher, sn #BEJ3961, Product Code 100565.

Auction ended 4/29/2017.

So, it's that current for at least two of the 316 total combined barrel lengths.

bdGreen