old 1900's double-headed eagle stamp

1900 aged ages aging ancient antique backgrounds card cardboard confidential copy crown design dirty document double down eagle element emblem faded fashioned frayed grunge headed heritage historical history insignia mail mark medieval middle nobility notarize obsolete old paper parchment post postage postcard postmark retro revival rough rubber run scratched secrecy shape sign signature space square stained stamp style symbol textured torn victorian vintage weathered worn wrinkled