{"value"=>"1880 April 28", "type"=>"inclusive", "normal"=>"1880-04-28"}
date_inclusive_start
1880
date_inclusive_end
1880
keydate
1880-04-28
date_start
1880-04-28
date_end
1880-04-28
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"2 pages"}], "supress_display"=>true}