NORTH KOREA (2009) Nurse with stethoscope examining child*. Block of 4 misperforated. KSC No 4640. Scott No 4853.
AVAILABLE AT $30
PANAMA (1949) Roosevelt*. Arosemena*. Strip of 5 with inverted overprint of anti-cancer surcharge on 4 stamps and totally missing on 5th. Scott No RA28, Yvert No PA106.
AVAILABLE AT $150
PANAMA (1949) Roosevelt*. Arosemena*. Block of 4 with doulbled overprint of anti-cancer surcharge. Scott No RA28, Yvert No PA106.
AVAILABLE AT $80
AFGHANISTAN (1950) Medical school*. Corner block of 4 printed in black instead of blue. Scott No 368a, Yvert No 355. Some perf separations and bends in selvage.
AVAILABLE AT $20
INDIA (1993) Dr. Kotnis*. Operating theater*. Variety in color grey instead of violet-grey. Scott No 1459, Yvert No 1204.
AVAILABLE AT $50
DOMINICAN REPUBLIC (1952) Gautier Hospital*. Margin pair with double perforations between 2 stamps. Scott No 449, Yvert No 422.
AVAILABLE AT $15