As for authenticating front page of austindiggers.com go to the dealers and links tab bottom of page dwain Rogers is a good one. Identification you might try to buy a copy of overstreets price guide and indentification book. Believe it can be bought off the website also. Lets see some pics few people might chime in on their opinion.
You're welcome to send good pic's of them either by a ruler or with the length noted & what county they came from. I'll offer my best opinion as to what they are if they're whole points. Send pic's/info to silverbacker@netscape.net