This is an original WW2 British RAF Fighter & Bomber MK 1A Turn & Slip Indicator Gauge Instrument. It is marked AM with a date of 37. This gauge was overhauled in 1951 and later issued to the RCAF. It is 4 x 4 x 5 inches. This type of instrument was used in many British fighters and bombers such as the Spitfire and Hurricane fighters. This item is being sold as a collectable. NO INTERNATIONAL SALES. We accept PAYPAL in U.S. Dollars only.Payment should be received within 10 days of auction closing unless prior arrangements have been made. Buyer to pay actual shipping via USPS. AZ residents add 6.7% sales tax. Thanks for looking at my auction.