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postage

1961, Nov 2 Opening of Marine Biology Station on Galapagos Islands / 15th Anniversary of UNESCO issue (no wmk info) (no perf info)

-	0.20s	brn
-	0.50s	vio
-	1.00s	dkgrn

airmail

1961, Nov 2 Opening of Marine Biology Station on Galapagos Islands / 15th Anniversary of UNESCO issue

X	1.00c	bl
X	1.80s	pur
X	4.20s	dkbrn

1 to 6 of 6