- unitid
-
{"value"=>"3392324", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1973", "type"=>"inclusive", "normal"=>"1973"}
- unittitle
-
{"value"=>"George Gershwin stamp announcement, United States Postal Service"}
- physdesc
-
{"format"=>"simple", "value"=>"Multicolored background image of city lights, postage stamp, and text."}
- container
-
{"type"=>"oversize_folder", "value"=>"E185"}
- date_start
-
1973
- keydate
-
1973
- date_end
-
1973
- date_inclusive_start
-
1973
- date_inclusive_end
-
1973