Jules Crustin
Jules E.H.P.J. Crustin (14 May 1905 – 1987) was a Belgian philatelist who was added to the Roll of Distinguished Philatelists in 1972. He was a specialist in the philately of Luxembourg.

Selected publications
La Garnison Prussienne dans la Forteresse de Luxembourg et son service postal 1816-67

References

Signatories to the Roll of Distinguished Philatelists
1905 births
1987 deaths
Belgian philatelists
Fellows of the Royal Philatelic Society London
Philately of Luxembourg