China Mixed. Used. Several 100 early 20th century stamps on and off paper displayed in one volume, with focus on postmarks, especially attractive multiples on piece, imprint multiples, from junks to Sun Yat-sen with earlier values to $1 hall of classics, incl. surcharge and overprints, as well as unusual 'chops', postage dues, etc, etc. An interesting range of material, unusual today.