Antigua

You're much more likely to see a mint revenue from Antigua than a used one. Between 1862-1870 and from 1890 onwards, postage stamps were used instead and even then only in very limited numbers.
There are a total of just 15 stamps, the 10/- value being the most sought after.

(01) 1d Blue & Blue (1870) Views: 1829	(02) 2d Blue & Blue (1870) Views: 1520	(03) 3d Blue & Blue (1870) Views: 1479	(04) 4d Blue & Blue (1870) Views: 1562	(05) 6d Blue & Blue (1870) Views: 1519
(06) 1/- Blue & Orange (1870) Views: 1518	(07) 2/- Blue & Orange (1870) Views: 1567	(08) 3/- Blue & Orange (1870) Views: 1538	(09) 4/- Blue & Orange (1870) Views: 1546	(10) 5/- Blue & Orange (1870) Views: 1510
(11) 10/- Blue & Orange (1870) Views: 1523	(12) 1d Blue (1876) Views: 1643