厦门1896年第三次加盖改值票窄 "f" 样票, 黑色加盖于有齿孔纸上. 带右边纸四方连[19/35], 有 纸厂"SCHULL" 水印垂直位于方连的中心. 品相中上.Amoy 1896 Third Provisional Surcharge, Narrow "f" Surcharge Proofs Proof surcharge in black on perforated paper; a right margin block of four [29/35] and showing part of the papermakers watermark "SCHULL" vertically in the centre of the block. Fine. Photo<pr>