The envelopes you describe were designed by Christopher
Clarkson for the Bodleian Library, Oxford and are indeed
acid free.
They are now supplied to us by Conservation by Design
Limited
Website: http://www.conservation-by-design.co.uk/
and now come in grey with a white inner lining.
----------------------
Charles Davis
Preservation Services
Room 303
Bodleian Library
Broad Street
Oxford OX1 3BG
Tel: + 44 (0)1865 277076
Fax: + 44 (0)1865 277182
http://www.bodley.ox.ac.uk/dept/prescons/world/
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