1957 Macao (18 Jan) to Postmaster General at Declung, returned to sender, f.w. Macao issues 2a in pair + 2a in pair, tied by Macao hexgonal
1957 Macao (18 Jan) to Postmaster General at Declung, returned to sender, f.w. Macao issues 2a in pair + 2a in pair, tied by Macao hexgonal d.s. Along with "This PO does not exist / return" annotation. With tear at top. Philatelic.1957.1.18 澳門寄德隆郵局局長，退回寄件人。貼澳門票2仙雙連 + 2毫雙連，銷六角形日戳。另見“無此郵局 / 退”批示。封頂帶裂痕。趙芝雲集郵封。
