Worldwide Rare Stamps and Postal History
Thursday, April 15, 2021 at 3:00 PM UTC
Lot 144:
1930, Dr. Eckerlin’s ”Rotary Intaglio Process” 3c carmine, imperforated essay of reversed (mirrored) design, complete pane of 25, printed on thick ungummed white paper, fresh, VF and very scarce in complete pane (Est. $600-$750)
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