I know that during the past weeks ebay was full of chevrons, numbered and un-numbered. Probably more chevron auctions than standard M9 ones
Anyway, the last numbered chevron http://cgi.ebay.com/Buck-Knife-188-b...QQcmdZViewItem
has some very nice documentation, also offered for sale.
I'd love to obtain a copy of the blueprints and the Material Review Report dated 1/16/87 and the interoffice memo from the Quality Assurance Manager of Buck......just asked the seller