Ideas:

Are there any differences between the three similar looking glyphs of this type in Sunday, Thursday and Saturday? Let's have a closer look:

I cannot see any worth mentioning. But I like Sunday best.

In the Glyph Catalogue I intend to document the very small differences that can be detected (for the 'splendid bird') between the texts in different tablets . These differences perhaps reflect the 'handwriting' of different 'writers'?