- unitid
-
{"value"=>"3330591", "type"=>"local_mss"}
{"value"=>"PORT 31.09.03", "type"=>"local_call"}
- unitdate
-
{"value"=>"3 September 1831", "type"=>"inclusive", "normal"=>"1831-09-03"}
- unittitle
-
{"value"=>"Unidentified sender to Miss Porter, letter cover (empty)"}
- physdesc
-
{"format"=>"simple", "value"=>"1 envelope"}
- container
-
{"type"=>"box", "value"=>"7"}
{"type"=>"folder", "value"=>"7"}
- date_start
-
1831-09-03
- keydate
-
1831-09-03
- date_end
-
1831-09-03
- date_inclusive_start
-
1831
- date_inclusive_end
-
1831