1917 2c on 5c green, well centered, n.h., v.f., with Dr.Avi certificate (Sass. Euro 1,800) cat. $875 (Cat No. 1) (Image)

Cat. $875, Est.$300

1917-18 1c-10L overprinted Pechino, complete set n.h., fine-v.f., with Dr.Avi certificate (Sass. Euro 3,500) cat. $1989 (Cat No. 12-21) (Image)

Cat. $1989, Est.$600

1917-18 2c, 5c "Pechino" double, l.h. or n.h., fine, with Bottacchi certificate for the 2c (Sass. Euro 1,200) cat. $725 (Cat No. 13a,14a) (Image)

Cat. $725, Est.$250

1917-18 50c violet, basic stamp misperforated, with Pechino at top and bottom, l.h. (if at all), fine, with Bottacchi certificate (Cat No. 18var) (Image)

Est.$100

1918 1/2c on 1c brown (two), 1c on 2c orange brown and 2c on 5c green, paying 4c on picture postcard from Peking to Belgium, with Pechino-Cina Poste Italiane 20.1.21 cds on both sides, with arrival pmk, fine and rare usage, 1/2c unpriced on cover (Cat No. 22,23,24) (Image)

Est.$1,000

1918 10c on 25c blue, double surcharge (one displaced diagonally), l.h. (if at all), fine, with Bottacchi certificate (Sass.24aa, Euro 1,200) cat. $525 (Cat No. 27a) (Image)

Cat. $525, Est.$250