S45, that B a 1972 bild date.
'05 blue book gives $200=80%, $250=90%
'06 krause gives $250 =good $350=very good
Chek the last cupple issues of the "Gun List" 2C if there is any listed
(mine is like 98%+ with the box, I value it between $4&$5
hundred that is no not 4sale. jus mebbe the best plinker ever made (but IB like the "ponies")