Here's Rich's advert from the ALR site....
Made from local white to gray rock, these are rough, tough, and sparky.
1/2" wide x 5/8" long are $8 per dozen.
5/8" wide x 3/4" long are $10 per dozen
3/4" wide x 7/8" long are $12 per dozen
7/8" wide x 1" long are $12 per dozen
1" wide x 1 and 1/8" long are $15 per dozen
1 and 1/8" wide x 1 and 1/4" long are $15 per dozen.
Shipping and handling is generally $1 per dozen, more for larger sizes.
I'll need your name and address in an email with "flints" in the subject line, and will send you the flints for your inspection with an invoice. If these work for you, you can pay by check. If not what you need, just return them, no questions asked.
Please email me directly:
rpierce@im.wustl.edu