6c Christmas, Colors Omitted (1384c, 1384d). Group of the very nuanced 1969 Christmas color errors, including horizontal block of ten of the Green omitted error (1384c), horizontal block of six with one stamp Green, Red and Yellow omitted (1384d), this one with old A.P.S. certificate stating it is the rare Red and Yellow only omitted error (1384g) but there is no trace of the Green in the background other than possibly a single dot, so we are calling it 1384d, also a single with traces of Green and a couple dots each of Red and Yellow, pair with one stamp missing most colors but with traces (not counted), Very Fine group

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