Blowproof bellhousing ID and value

i didnt know this until recently. there is a serial number stamped on the flange somewhere. i was told by lakewood they werent going to recertify any more bell housings without the serial number. i learned that last fall when i sent a bb bell in for recerttification. it had a serial number so they did that one.
.
What did it cost you to get it recertified?

Here is the one I paid $325 for. You don't see it but the block plate is there also.

20220515_192128.jpg