How old is Griffin bank?

Bank of the Flint Hills 11 Clinton National Bank 9 Community 1st Bank, Las Vegas 4 Community Bank of Georgia 2 Farmers & Merchants Bank of St. Clair 1 Farmers State Bank of Brush 2 First National Bank of Commerce 1 First National Bank of Russell Springs 9 FWBANK 11 Gunnison Bank & Trust 2 Hometown Bank of Pennsylvania 6 Latimer State Bank 1 NATIONAL CO-OP Bank National Association 10 Osgood Bank 10 Patriot Bank 7 Security State Bank of Aitkin 9 STIFEL TC National Association 4 TIAA Trust, National Association 25 Walters Bank & Trust 5 Woodford State Bank 7