{"value"=>"7 December 1955", "type"=>"inclusive", "normal"=>"1955-12-07"}
date_inclusive_start
1955
date_inclusive_end
1955
keydate
1955-12-07
date_start
1955-12-07
date_end
1955-12-07
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"2 pages"}], "supress_display"=>true}