Extensive and Clean 1923-1950 Parallel Mint & Used Collection On quadrilled pages with complete mint regulars, semi-postals, airmails and air semi-postals from 1923 to 1934 (only missing the usual CBO1), also mint Autonomous State 1950 1m-500m set of 13 and 2m-100m postage due set of 7. Many used sets as well such as #20-27, 59-64, C6-C11, C20-C23, C24-C29, CB1-CB10 and Autonomous State 1950 1m-500m set of 13. The odd flaw but much better quality than normally encountered. (Image)

Estimate 1000 $