Stamps, gypsum industry design
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Jamaica
postage1964, May 4 1964 issue wmk. Multiple "J" & Pineapple (no perf info)
| X | 9p | bl & yeloch | gypsum industry |
1969, Sep 8 1969 issue ovpted
| X | 8c on 9p | bl & yeloch | gypsum industry |
1970, Sep 7 1970 issue
| X | 8c | multi | gypsum industry |
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