German Post in China: 50 Pfg Block of 4 + small lot

German Post in China: 50 Pfennig val as block of four. This is the more expensive variety, Michel# 50b ( 50b was in use from 1890-91 ). SHANGHAI 17/4 90 cancellation. Expertised by Dr. Steurer. Additional small lot of stamps from 1898 - 1905, including 1/2 Dollar val. With watermark as Michel# 44 A I a. No junk, clean lot. Catalogue value is $ 700+