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Link Date Author Title
Link 1949 LCC Nicholson Jamaican Obliteration Numbers
Link 1950s  incl Russell Gibson BWI Philatelist Articles
Link 1950s-2000 BWISC Bulletin Articles
1982 Ian Woodward Exploring Jamaica Through Obliterators ( BCPSG monograph)
Link 1996 Ian Potter Listing of obliterators
Link 1967
Bob Topaz (BCPSG)
Michael Hamilton
Obliterator Scarcity Table
(updated with Hamilton new discoveries)
Link 2009 Ian Woodward Obliterator Examples as pdf
Link 2009 Ian Woodward Obliterator Scarcity Table (24 collections)

Obliterator Examples by Ian Woodward