Austria 1917-1918 Emperor Karl I (Military Stamps)

=Description=
 * Issue Date: 1917-1918
 * Withdrawn: 
 * Designed by: 
 * Printed by: 
 * Print Process: 
 * Paper: 
 * Width:  mm
 * Height:  mm
 * Perforations: 
 * 12½x12½
 * 11½x11½ (40 bani)
 * 11½x12½ (40 bani)
 * Imperf.
 * Overprints: 
 * Format: 

=Stamps=

=Errors=


 * Inverted Bani and Lei
 * Black Ovpt. on 3 bani to 90 bani
 * Red Ovpt. on 2L to 4L

=Data Serie=


 * SC-Scott
 * MI-Mitchel
 * YT-Yvert et Tellier
 * SG-Stanley Gibbons