Scott 1622C mint 13c - Flag & Independence Hall (1981), perf 11, 1975-77 Regular Issue Stamps, representative stamp imaged.
Scott 1622C mint 13c - Flag & Independence Hall (1981), perf 11, 1975-77 Regular Issue Stamps, representative stamp imaged.
Scott 1622C mint 13c - Flag & Independence Hall (1981), perf 11, 1975-77 Regular Issue Stamps, representative stamp imaged.