42-63625. These two data plates would be located in the cockpit of the aircraft.  Also included is a rare B-29 Bell Aircraft control wheel center cap. Stellar Grouping. The pictures form 

about 100% of the description. As I gather, Bell Aircraft built 668 of the 3960 / 3970 B-29's built. Study the pictures carefully. All sales final. No returns. 

Shipping to the USA only this auction. 

Buyer is responsible for all taxes when purchasing. No charge for shipping this auction. On this auction shipping very likely by DHL or USPS with insurance. Payment by Paypal only. Payment is due within 3 days of the end of the auction, or the auction is null / void, and the item is eligible to be relisted. Ebay is not what I do for a living. Will ship within 10 days of receiving payment. If this is a problem for you, do not bid, buy, or offer. Thanks for looking. May God protect and bless the United States of America.