6005- 1929, 9 MARCH, SEE PHOTO, DARK PURPLE CACHET
6006- 1929, 9 MARCH, SEE PHOTO, PURPLE CACHET
6007- 1929, 9 MARCH, SEE PHOTO, DARK PURPLE CACHET
6014- 1929, 16 DECEMBER, SEE PHOTO, PURPLE CACHET
6015- 1929, 10 DECEMBER, SEE PHOTO, PURPLE CACHET
6016- 1929, 16 DECEMBER, SEE PHOTO, PURPLE CACHET
6017- 1929, 15 DECEMBER, SEE PHOTO, PURPLE CACHET
6019- 1929, 15 MAY, SEE PHOTO, PURPLE CACHET
6020- 1929, 13 JUNE, SEE PHOTO, PURPLE CACHET
1929, MINT, OG NH
1929 – Used
5936- 1930, WITH FIVE DIFFERENT REVENUES USED AS POSTAGE
5937- 1930, REGISTERED (2) #671 ON COVER, MONTERREY TO AUSTRIA
6010- 1930, 20 APRIL, SEE PHOTO, BLACK CACHET
6011- 1930, 20 APRIL, SEE PHOTO, PURPLE CACHET
1930, MINT, OG NH
1930 – Used
5985- 1931, MEXICO TO MEXICO, WITH EAGLE SEAL, OFFICIAL
5999- 1931, 5 DECEMBER, SEE PHOTO, LIGHT PURPLE CACHET
6000- 1931, 19 JAN, SEE PHOTO, LIGHT PURPLE CACHET
6001- 1931, 22 MAY, SEE PHOTO, PURPLE CACHET
6002- 1931, 15 MAY, SEE PHOTO, PURPLE CACHET
6018- 1931, 7 DECEMBER, SEE PHOTO, PURPLE CACHET
6022- 1931, 5 DECEMBER, SEE PHOTO, PURPLE CACHET
6026- 1931, 18 MAY, SEE PHOTO, PURPLE CACHET
1931, MINT, OG NH
1931 – Used
1932, MINT, OG NH
1932 – Used
5941- 1933, CERTIFIED WITH 2 AIR MAIL STAMPS + 1 SURFACE STAMP TO GERMANY
1933, MINT, OG NH
1933 – Used
1934, MINT, OG NH
1934 – Used
5938- 1935, (1) PAIR AND (1) SINGLE ON REGISTERED COVER TO LONG BEACH, CA, PROOFS USED AS POSTAGE
5946- 1935, REGISTERED, (2) 10¢ AND (2) .20¢ PROOFS USED AS POSTAGE, FROM MEXICO TO LONG BEACH, CA