China 1930 (2 May) envelope registered to Hamburg bearing Junk 4c. olive-green (5) tied by Nodoa English/Chinese c.d.s. with manuscript registration in red ink at left, the adhesives also tied by "frankfurt-basal" railway post office oval with the associated registration label alongside; the reverse with Kiungchow (5.5), Hamburg (8.6) and further railway oval. A little soiled on the reverse. Unusual and interesting. Photo Estimate HK$ 2,000-2,500
