Perhaps just one or two each of the ½R and 4R are known used. Maybe six or seven each of the 1R and 2R are known used, while the 8R is not known used.

All values are known unused, but the ½R and 8R are extremely rare.

Third Period
Year Month Day Invoice ½R 1R 2R 4R 8R Comment
1864 11 28 221 500 2000 3000 500 200 May 14, 1866: 200 sent to Tula de Tamaulipas, many sent to S.L.P. w. backslanting S.L.POTOSI overprint
Total sent     1 500 2000 3000 500 200