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postage

1960, Feb 9 Humboldt death 100th issue unwmk p. 14

X	5c	grn & ol	Alexander von Humboldt
X	30c	blvio & vio	Alexander von Humboldt
X	40c		Alexander von Humboldt

airmail

1960, Feb 9 Humboldt death 100th issue

X	0.05b	yelbrn & brn
X	0.20b	bl & grnbl
X	0.40b	yelgrn & ol

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