unused Block of Four 1c., 2c. green, 2c. black, 3c. green, 4c., 5c., 6c. carmine, 6c. lake-brown, 8c. carmine, 10c., 12c. blue, 12c. orange, 15c. blue, 20c., 25c., 30c., 50c. $1, $2, $4 and $5, each in a block of four with overprint in violet, many marginal, mostly fine mint. Cat. £6148