Please answer the following question: Read the bio below and try to give details on manfred dobin 's:    - significant projects       - birth date     - name     - image size     - nationality     - image     - significant awards     Bio: manfred dobin -lrb- born 1925 -rrb- of st. petersburg , is a stamp dealer and auctioneer , and philatelic expert on imperial postmarks , 1750-1858 of russia . dobin became a member of the association internationale des experts philatélique , aiep in 1995 . he is also a member of the expert council on russian philately since 1991 .
A:
- significant projects is expert ; specialized in the study of russian imperial postmarks of on the pre-adhesive period 1750-1858 postage stamps and postal history of russia- birth date is 1925- name is manfred dobin- image size is 150px- nationality is russian- image is manfred dobin.jpg- significant awards is fip exhibition award : grand prix