Leopoldo Tenorio Casal
Finding relevant information, publications on the Argentine postage stamps is extremely difficult for someone who is not living there!
Being there and most likely having access to the philatelic libraries, some publications however not always quite agreeable with what you have in mind should be at least mentioned and contradicted if necessary. Just ignoring as was the case with Dario bardi publications is not fair.
Reading the 1947 article of Leopoldo Tenorio Casal, we find a reference to a first production of coated paper for the 5c Moreno and the 10c Rivadavia of 1939; a 3rd production however for the 1943 printing on coated paper for the 1c DF Sarmiento, the 5c Moreno and the 10c Rivadavia.
1c, third production:
25.05.1943 10 1.2mm, 30.8 x 17.omm
5c, 1st and 3rd production:
05.04.1939 10mm, 29.7 x 16.8mm
06.09.1943 10 1/2mm, 30.8 x 17.0mm
10c, 1st and 3rd production:
04.11.1939 10mm, 29.7 x 16.8mm
20.06.1943 10 1/2mm, 30.8 x 17.0mm
Where is the 2nd production!??? Where are the 1941 based examples of JC???
We find the following commemoratives having coated paper in the 1939-1943 period:
1939 01.04 XIth UPU Congress with an orthogonal watermark, symmetrical paper mesh, coating and/or varnish, in photogravure
but this is even before the 1st production of the 5c!
Furthermore:
1941 19.10 Julio A. Roca with an orthogonal watermark, symmetrical paper mesh, coating and/or varnish, in photogravure
This will be our second production!
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1939 01.04 XIth UPU Congress ortho - symm c/v photogravure
1939 11.12 Fonopostal ortho - symm c/v photogravure
1940 14.04 50 year Panamerican Union ortho - symm photogravure
1940 23.10 Airmail definitives ortho - symm photogravure
1941 19.10 Julio A. Roca ortho - symm.c/v photogravure
c/v coated and/or varnished
to be continued ...