{"value"=>"3 January 1912", "type"=>"inclusive", "normal"=>"1912-01-03"}
date_inclusive_start
1912
date_inclusive_end
1912
keydate
1912-01-03
date_start
1912-01-03
date_end
1912-01-03
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"1 page"}], "supress_display"=>true}