Website: http://www.anacs.com/contentPages/Contact.aspx
Address: ANACS, 6555 S. Kenton Street, Suite 303, Englewood, CO 80111
Phone: 1-800-888-1861
Email: CustomerService@ANACS.com
ANACS
AMERICAN NUMISMATIC ASSOCIATION CERTIFICATION SERVICE
On par with NGC, ICG and PCGS for grading, quality, attribution and authentication. Will grade problem coins. They where the first coin grading company created by the American Numismatic Association (ANA) in 1972. The holders where flat, plastic type with a certificate and a picture for the grade of the obverse and reverse of each coin. Since 1989 they slab their coins in the hard plastic holder made popular by PCGS.
The latest ANACS coin holder, they moved from Ohio (white holder above) to Colorado and changed to the blue label imaged above, then to a canary colored label in the last few years.