Lot
743 
Official Seal - Typeset, black, affixed to small piece of envelope, "Opened Through Mistake" crossed out and manuscript "Recd Unsealed" added, Chelmsford Mass. cds, clipped at top left and wrinkled, Fine appearance, the only recorded example and illustrated in Scott. Scott Nos. LOX36 $750.
Illustrated and described in Kotanchik on p. 224, where he surmises that it may have been printed by Morrill Brothers due to the rouletting.
Realized: $160