Dating a modern 2b

[trombonebob]

Hi,
Five or so years ago I bought my 2b from a shop here in the uk. I got a real bargain and think that it had perhaps been in the shop a while.
I’m interested as to how old it actually is. The serial number is 141889.
The Conn Selmer website stops the king serial numbers at 1986 and I know it’s much newer than that.There doesn’t seem to be another way of contacting Conn Selmer to ask them.
Any ideas as to the age?
Thanks.