copper BUs

I might be stretching here, but of all pre 1970 BUs I find, it seems like 1968 takes the prize!it is by far the most sixties date BU I have found. they always seem to be in great shape. anyone else? TY for any feedback.
penny pretty wrote:I might be stretching here, but of all pre 1970 BUs I find, it seems like 1968 takes the prize!it is by far the most sixties date BU I have found. they always seem to be in great shape. anyone else? TY for any feedback.