美国 - 公务邮票 (1873

[Department of the Interior Issue, 类型 C1]

[Department of the Interior Issue, 类型 C2]

[Department of the Interior Issue, 类型 C3]

[Department of the Interior Issue, 类型 C4]

[Department of the Interior Issue, 类型 C5]

[Department of the Interior Issue, 类型 C6]

[Department of the Interior Issue, 类型 C7]

[Department of the Interior Issue, 类型 C8]

[Department of the Interior Issue, 类型 C9]

[Department of the Intrerior, 类型 C10]

[Department of the Intrerior, 类型 C11]

[Department of the Intrerior, 类型 C12]

[Department of the Intrerior, 类型 C13]

[Department of the Intrerior, 类型 C14]

[Department of the Intrerior, 类型 C15]

[Department of the Intrerior, 类型 C16]

[Department of the Intrerior, 类型 C17]