Vintage square canning jar with raised grid pattern. One quart canning jar has unique raised grid or waffle pattern on three sides, one side is smooth for label. Square canning jar has original porcelain lined zinc cap. Bottom of canning jar embossed 1457. Square canning jar measures 7 inches tall by 3 inches wide. Square canning jar is in excellent condition. Lid has several dents, but fits snug.