1926 Mongolia (Violet Overprints, Sc. 16 - 20) (Image)

1926 $1 Mongolia (Violet Overprint, Sc. 22) (Image)

1926 $5 Mongolia (Violet Overprint, Sc. 23) (Image)

1926 Mongolia (Black Overprints, Sc. 16a - 20a) (Image)

1926 50c Mongolia (Black Overprint, Sc. 21a) (Image)

1926 1d Mongolia (Black Overprint, Sc. 22a) (Image)

1926 5d Mongolia (Black Overprint, Sc. 23a) (Image)

1926 1c Mongolia (Proof, Red Overprint, Sc. 16b, Signed, MNH) (Image)

1926 2c Mongolia (Proof, Red Overprint, Sc. 17b, Signed) (Image)

1926 5c Mongolia (Proof, Red Overprint, Sc. 18b) (Image)

1926 10c Mongolia (Proof, Red Overprint, Sc. 19b, MNH) (Image)

1926 20c Mongolia (Proof, Red Overprint, Sc. 20b, Signed) (Image)

1926 50c Mongolia (Proof, Red Overprint) (Image)

1926 1d Mongolia (Proof, Red Overprint) (Image)

1932 Mongolia (Sc. 62 - 74, Full Set, CV $90) (Image)

1932 Mongolia, Blocks of Four (Sc. 65, 67, CV $90) (Image)

1932 1t Mongolia (Yellow-Green Proof / Variety, Sc. 71) (Image)

1932 1t Mongolia (Yellow Proof / Variety, Sc. 71) (Image)

1945 1t Mongolia (Sc. 83, Varieties, Full Set, CV $180) (Image)

1959 1t, Mongolia (Sc. 178, Mi. 167, MNH) (Image)

1959 30m and 50m, Mongolia (Se-tenant, Sc. 174+176, Mi. 163+165, MNH) (Image)

1959 40m and 60m, Mongolia (Se-tenant, Sc. 175+177, Mi. 164+166, MNH) (Image)

1959 40m, Mongolia, Pair (MISSED Perforation, Sc. 175a, Mi. 164, MNH) (Image)

1924 Mongolia (Sc. 1-7, Full Set, Canceled, CV $170) (Image)

1924 10c Mongolia (Sc. 4, Canceled, CV $260) (Image)