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Stamps,
Science and Technology
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1 to 8 of 8
China, ROC
postage
1988
, Apr 22
Science and Technology
(no wmk info) (no perf info) (8 stamps)
-
$1.50
multi
-
$3
multi
Energy supply
-
$7
multi
Hepatitis control
-
$7.50
multi
automation
-
$10
multi
Information & communications technology
-
$12
multi
Electro-optics
-
$16
multi
Materials research
-
$16.50
multi
microscope
&
tin can
1 to 8 of 8