Deluca mentions some key information about the 20cJMG/20cMG and the 1pL/1P.
According to Deluca:
1. 10,000,000 of the 20cJMG were printed, and 2,495,551 were destroyed when the 20cMG was introduced November 21, 1936, the latter with an initial printing of 5,000,000.
3. 3,000,000 of the 1pL were printed, and 700,000 were destroyed when the 1p was issued February 1, 1937.
4. 407 specimens each of the 20cMG and the 1p were overprinted 'MUESTRA' and sent to the U.P.U.
Here are the quantities Deluca mentions were delivered for the DEPOF issues of the 20cJMG and the 1pL:
Here are the dates of issue mentioned by Deluca for the 20cMG and the 1p DEPOFs.
Also mentioned in Deluca is that a total of 60.030.317 DEPOF were delivered in 1936. Judging by the stamps I have, most of these were 5c, 10c, and 30c.