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keystone lb lb blackandwhite monochrome outdoor black and white SDASM.CATALOG SDASM.TITLE Keystone LB SDASM.CORPORATION NAME Keystone SDASM.DESIGNATION LB SDASM.CREATION PLACE USA SDASM.ADDITIONAL INFORMATION Keystone LB SDASM.MEDIA Glossy Photo SDASM.TAGS Keystone LB PUBLIC COMMONS.SOURCE INSTITUTION San Diego Air and Space Museum