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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
U.S. postage stamps are not produced using ink that will run under any circumstances. If you see a stamp with "runny" ink, you are looking at either a phony stamp or one that has been produced under sub-standard conditions in a different country. You can discard it, or save it as a worthless oddity.
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