Richard, I have questions regarding "Aston Twist Parker barrels." I am not familiar "Aston Twist" How are such Parker barrels marked on the top rib and on the barrel flats if they are marked? Is this twist distinctive in appearance from other twist barrels? Do the surviving Parker records distinctly reference "Aston Twist" and have any letters documented same?
Thank-you for any information you can provide.
Erick
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