One of the blades will have a series of round dots and X's. A year ending in 0 will have 5 x's and 5 dots. Each year after that will lose one dot or x. Other markings indicate the proper decade to determine the production year.
Ebay is a good place to purchase a case of XX knives. One can purchase them either new or used for a good price. They are also available from both Amazon and Walmart.
See this website: http://www.allaboutpocketknives.com/price_guide/wr_case_xx/knives-65.php
It's the quality of the blade material.
it means that they checked the knife and everything about it twice. So it should never have any mistakes. It turned into the logo for case knives today.
Special Factory Order. This denotes your knife is of a limited run that was ordered outside their normal production runs.
On the blade of the knife,if it reads Case xx over USA,,it's 65--69. Otherwise it's 40--64.
One of the blades will have a series of round dots and X's. A year ending in 0 will have 5 x's and 5 dots. Each year after that will lose one dot or x. Other markings indicate the proper decade to determine the production year.
The Case Copperlock started in 1997.
I think your are thinking of the Case RussLock knife.
The 62009 is a Case 1/2 Barlow knife.
Project XX - 1954 The Jazz Age was released on: USA: 6 December 1956
The sex chromosomes. XX is female and XY is male.