vintage wood frame primitive chalkboard with chalk tray 20 x 20” slate 17.5” sq | eBay
Rare 20th Century Antique Double Sided Chalkboard by Hammett's School Supplies at 1stDibs | hammett school supplies, antique chalkboard, antique chalk board
Chautauqua Style Freestanding, Folding Chalk Board and Writing Desk Re – Back In Time Mathews