Wow! Thanks to everyone for their research and information. To answer Duane's question, the pictures I posted are not from any private collection. I have been searching the internet and many vintage magazines and books for ANY P-35/P-35A pics for years. As a matter of fact here are some screen captures from a vintage WWII film. It is a 24th PS P-35A with the "1" you mentioned in front of the plane number.
Here is another pic from the same film:
I have also posted all the information I have about the 60 P-35A aircraft that were taken over and given serial numbers by the USAAC. Here is the cover page for the document that covered the conversion from EP1-106 to P-35A:
Here are the serial numbers w/Squadron assignment:
Serial Number Sqdn Group Home Base
41-17434 20PS 4CG Nichols Field, PHI
41-17435 3PS 4CG Clark Field, Pampanga, PHI
41-17436 17PS 4CG Iba, Zambales, PHI
41-17436 17PS 24PG Iba, Zambales, PHI
41-17437 20PS 4CG Nichols Field, PHI
41-17438 17PS 4CG Iba, Zambales, PHI
41-17438 17PS 24PG Iba, Zambales, PHI
41-17439 3PS 4CG Clark Field, PHI
41-17440 20PS 4CG Nichols Field, PHI
41-17441 20PS 4CG Nichols Field, PHI
41-17441 20PS 4CG Nichols Field, PHI
41-17442 17PS 24PG Clark Field, Pampanga, PHI
41-17443 HQSQ 20PI Clark Field, PHI
41-17444 3PS Nichols Field, PHI
41-17445 17PS 24PG Iba, Zambales, PHI
41-17446
41-17447 3PS 4CG Clark Field, PHI
41-17448
41-17449
41-17450 20PS 24PG Clark Field, Pampanga, PHI
41-17451
41-17452 17PS 24PG Nichols Field, Rizal, PHI
41-17453
41-17454
41-17455
41-17456 17PS 4CG Nichols Field, PHI
41-17457
41-17458 20PS 4CG Nichols Field, PHI
41-17458 20PS 4CG Clark Field, PHI
41-17459 3PS 4CG Clark Field, Pampanga, PHI
41-17460 17PS 4CG Iba, Zambales, PHI
41-17461
41-17462 17PS 24PG Clark Field, Pampanga, PHI
41-17463 3PS 24PG Iba, Zambales, PHI
41-17464
41-17465
41-17466 3PS 24PG Clark Field, Pampanga, PHI
41-17467 3PS 4CG Nichols Field, PHI
41-17468 20PS 24PG Clark Field, Pampanga, PHI
41-17469 17PS 4CG Nichols Field, PHI
41-17469 17PS 4CG Iba, Zambales, PHI
41-17470
41-17471 17PS 4CG Nichols Field, PHI
41-17472 3PS 4CG Nichols Field, PHI
41-17473 20PS 24PG Clark Field, Pampanga, PHI
41-17474 62PS 56PG Charlotte AAB, NC
41-17475
41-17476
41-17477
41-17478
41-17479
41-17480 17PS 4CG Iba, Zambales, PHI
41-17481
41-17482
41-17483
41-17484 20PS 4CG Nichols Field, PHI
41-17485
41-17486 3PS 4CG Clark Field, PHI
41-17487
41-17488 3PS 4CG Clark Field, Pampagn, PHI
41-17489 3PS 4CG Nichols Field, PHI
41-17490
41-17491 17PS 4CG Iba, Zambales, PHI
41-17492 3PS 34PG Clark Field, Pampanga, PHI
41-17493 3PS 4CG Clark Field, Pampanga, PHI