1960 to 1969 virtual sheets
To add to Cliff's comments:
For 1960, we know all of the cards in the ten unique rows for series 1, but not the slit patterns. Series 2 and series 3 are just about impossible to reconstruct, series 4, 5, & 7 slits are known, and 4 of the six rows from series 6 are known.
I have also attempted to reconstruct the series from 1957 to 1959, and can post that progress, if interested.
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