Arwidsson and Thorberg have classified the boxes from Birka into 4 groups: <br>
<b>Birka</b> [Arwidsson ARWIDSSON 1989:p.114]<br>
Group A: Metal bands and / or nails - no lock<br>
Group B: Metal bands and / or nails - with a lock<br>
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==Chests==
Used instead of cupboards [Roesdahl 1982]. Sometimes converted to be used as coffins.<br>