March 2017 Society Auction
Lot 82. Cover. Registered mail, Port au Prince (12 February 1920) to Brookline,
Massachusetts (received in Boston on 23 February 1920). Paid with #300 (3) and a vertical strip of three of #180. Bottom stamp
in this strip has a Double Overprint. Cover has a fold not affecting postage used. Scarce cover with error as indicated above.