1E1, issued January 1936.

1E2, from 1937

1E3, from 1939 to 1944

1E4, from 1940

1E5, from 1943/44, rare, small RA

NGR, from 1945

NOP, unwatermarked opaque from 1947/48

2C, Straight Rays from 1949

CL2, clay from 1952

1L1, from 1951, deep orange background

1L2, from 1952, pale red, medium to gigantic RA, poorly defined

1L3, from 1955/56, bright white paper and deep yellow background

1L4, similar to 1L2, with a partially visible watermark

1L5, similar to 1L2, white Zarate, rare
