Canadian. 1910s. Glass. Made by Sydenham Glass Works, Sydenham, Ontario. Includes two quarts (one American and one Canadian) and 1 half gallon sizes. American quart retains correct button top. One quart exhibits very light aqua tint. One quart marked "8", bottom. 1/2 gallon marked "7", bottom. 7.25" to 9" (h). CODE-JAR