Made in Brazil, guessing in the 60's? Does not sound like a Dobro or a National-it has its own voice. Just ask Chet Atkins, but since you can't, ask Eric Johnson (or watch this video on YouTube)
https://www.youtube.com/watch?v=6e7S-gEUCX4
Certified Check, Money Order, Bank Wire Transfer, Mastercard, Visa, Discover, American Express, or PayPal. *We do not accept credit cards from outside of the USA*, and no longer take them over the phone Overseas customers can purchase by using a Bank Wire Transfers
Customer pays shipping We prefer to use FedEx We no longer ship amplifiers
48 hr. Approval---customer pays shipping both ways if returned