These are 3 Kodak/Graflex wooden film holders. They have the nice feature where you can unscrew the metal light traps to inspect/clean. They contain (outdated) black and white film Arista Pro 400 (Ilford HP5+).
$50 plus shipping. Paypal accepted.
Mendocino Coast Black and White Photography: www.jonshiu.com
price reduced to $45 plus shipping.