20cLC plates printed in wrong order
The first specimen, 1E3, has normal order and is shown here for reference.
[Blockierte Grafik: http://www.somestamps.com/images-arg3551/reference-collection/foro/201006/20cLC/print-order/014986-1E3.jpg]
[Blockierte Grafik: http://www.somestamps.com/images-arg3551/reference-collection/foro/201006/20cLC/print-order/014986-1E3-det.jpg]
[Blockierte Grafik: http://www.somestamps.com/images-arg3551/reference-collection/foro/201006/20cLC/print-order/014986-1E3-det-inv.jpg]
The two specimens below have the background plate printed over the foreground plate. Both are NGR.
[Blockierte Grafik: http://www.somestamps.com/images-arg3551/reference-collection/foro/201006/20cLC/print-order/015009-NGR.jpg]
[Blockierte Grafik: http://www.somestamps.com/images-arg3551/reference-collection/foro/201006/20cLC/print-order/015009-NGR-det.jpg]
[Blockierte Grafik: http://www.somestamps.com/images-arg3551/reference-collection/foro/201006/20cLC/print-order/015009-NGR-det-inv.jpg]
If you look carefully at the D and the E of GANADERIA the background lines are clearly visible.
[Blockierte Grafik: http://www.somestamps.com/images-arg3551/reference-collection/foro/201006/20cLC/print-order/015014-NGR.jpg]
[Blockierte Grafik: http://www.somestamps.com/images-arg3551/reference-collection/foro/201006/20cLC/print-order/015014-NGR-det.jpg]
[Blockierte Grafik: http://www.somestamps.com/images-arg3551/reference-collection/foro/201006/20cLC/print-order/015014-NGR-det-inv.jpg]