CUBA, Postage Due Plate Numbers (J1-J4).
On exhibit pages with write-ups and on stock cards, one plate block, blocks and multiple strips, some duplication in order to show a range of plate nos., better incl. J3 plate block of eight (appears Mint N.H.), J4 three imprint and plate no. strips of three, overall Fine, Durland value counting only the strips of three and the plate block more than $3,500.00 (Scott does not list the plate strips separately)
Power Search for Comparables