| http://www.w3.org/ns/prov#value | - While estimates of the total number of philatelic covers serviced by USS MOUNT OLYMPUS during HIGHJUMP vary considerably, the most reliable estimate is a total of approximately 150,000, the majority of this (140,000) being serviced with the 10 January 1947, Type 1 postmark and most of the remainder with the Type 3.
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