| Australia 1971 (05 Aug) Space Cover SKYLARK 22 Woomera
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| Australia 1971 (05 Aug) Space Cover with cachet in red/brown and grey "MAP OF AUSTRALIA/IMAGE OF ROCKET IN FLIGHT/SKYLARK/22/ INFORMATION OBTAINED WITH SKYLARK SYSTEM INCLUDE:-/ IONISATION CONCENTRATION; V.L.F. PROPAGATION MEASURE-/MENTS; OZONE CONCENTRATIONS MEASUREMENT; WIND STRUC-/ URE, TEMPERATURE, AIR DENSITIES; STELLAR ULTRA VIOLET/ EMISSION DATE; R.F. PLASMA PROBE; SOLAR RADIATION/ MEASUREMENTS; SOLAR X-RAY` COSMIC RAY; NIGHT AIR GLOW/DATA; ELECTRON DENSITY; GEO-MAGNETIC FIELD MEASURE-/MENTS AT HIGH ALTITUDE" and "NO 6" unaddressed and affixed with 6c RSPCA Centenary stamp cancelled "WOOMERA/-5AU71/SA - AUST"
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Item #: INV-130908
Condition Co
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Pricing in AU$
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Within Australia
A$
5.00
(inc GST 0.45 )
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Outside Australia
A$ 4.55
(approx. US$3.05)
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