Artisan Chemist Hours Wall or Door Plaque by Carol Lester. This gold sign with chemist’s hours is perfect for your miniature laboratory setting. Great for Halloween, too! Imported from Great Britain. Hand crafted by artisan Carol Lester. Designed for the 1:12 scale miniature setting. Design, color, and measurements may vary slightly. Made of metal. Measures approximately: 3/4 inches tall x 1 1/8 inches wide.