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Old 12-17-2011, 06:51 PM
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diamonback68 diamonback68 is offline
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Per the book, the 581 came out in 1981, and they started with AAD2120 serial number a higher number than yours, and the book further quotes "unconfirmed report of ONE with AAC prefix". You may have one of the first 581s ever made. I would factory letter it.
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