softpro, Top left is #525. Top right, #409 or #482 with Schermack T-III Private Perforation (probably #409). #409 if watermarked, #482 if without watermark. Bottom left, #343 or #383 with Mail-O-Meter T-IV Private Perforation. #343 if double-line watermarked, #383 is single-line watermarked. Bottom right looks like its a #209.
