Choirbook 6, Watermark 1a
DESCRIPTION
| WATERMARK ID | Choirbook 6 , Watermark 1a |
| DESCRIPTION | Barrel |
| SHEETS | 1–64 |
| POSITION | Centre of same half-sheet as Choirbook 6, Watermark 1b |
| CHAIN LINE WIDTH OF PAPER (mm) | 35 |
| DATE | 1677 |
| OTHER WATERMARKS ON SAME SHEET | Choirbook 6, Watermark 1b Choirbook 6, Watermark 1c |
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| LOCATION OF WATERMARK ON SHEET |
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| LITERATURE |