Science Technology
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 1963 Switzerland United NationsScienceTechnology Conf  US $1.55
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 1963 FIRST DAY COVER UN SCIENCE AND TECHNOLOGY US $4.36
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 UNITED NATIONS 1963 DEVELOPMENT THROUGH SCIENCE AND TECHNOLOGY FIRST DAY COVER US $2.34
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 United Nations 1963 MNH 114 115 Science Technology US $2.10
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 1992 NY ONE FDC Offical Cachet Scott 611 12 Science Technology US $2.50
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 UN SOUVENIR CARD 42 SCIENCE AND TECHNOLOGY MINT US $11.50
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 COURIER FDC 1992 SCIENCE AND TECHNOLOGY UNPA CACHET US $5.00
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 UN Sov Card 1992 Science Technology 3 FD Cards US $12.00
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 1992 United Nations Scott 611 A267 Science Technology Block of 10 M NH US $12.99
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 1992 United Nations Science Technology Block of 10 M NH US $12.99
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 SC42 Science and Technology 1992 UN Souvenir Stamp Card Mint NH US $189.80
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 1992 Geneva ONE FDC Offical Cachet Scott 222 23 Science Technology US $1.50
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 CANADA GERMANY VERY NICE FRANKING TECHNOLOGY SCIENCE STRIP STAMPS COVER US $2.99
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 UN Vienna 1992 SGV134 5 Science Technology MNH Set US $1.55
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 UNITED NATIONS SET OF SIX SCIENCE TECHNOLOGY 1992 FDCs ON OFFICIAL CACHETS US $14.95
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 CANADA 1988 SCIENCE TECHNOLOGY SET 4 1206 09 ONLY $059 US $.59
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