221B Baker Street detective game SEALED Hansen Co. #H-23 1977 vintage

221 B Baker Street detective game Sealed in shrink wrap By John N Hansen Co Their number for game is H-23 ( a clue perhaps?) For 2-6 players Copyright 1977 Some consider vintage Small dirt or sticker marks on front of box at bottom (see last pics) and there is a punch hole in the shrink wrap on front near pipe (see 3rd last pic) From smoke free home Quick fast shipper Posh ambassador Sku 112322-2cHOp24-e36E