Apparently there is someone named David Gartland at Saga Musical Instruments who has helped other people with determining their serial number dates. Other Saga-family instruments have serial numbers with the first two digits indicating year, the second two month, so it would make sense that the TC's do as well. Here's a communication from Mr. Gartland to a Blueridge guitar owner: The label is the best way to figure out the completion date for the guitar. Managerial Accounting Ronald Hilton 9th Edition Solutions Manual. The number on the neck block is an additional tracking number used internally. Free Download Driver Toolkit Full Version there. It is true that the number on the neck block will be different, but it will probably start with similar numbers to those on the label (but not always).representing the year produced. The 3rd and 4th numbers usually represent the month the guitar was produced. Quick Sizing Tool Saps.