Neither pridie nor meridie looks likely (and cot(t)idie is impossible); interpunct after this looks clear.
There may be traces of a line or two below line 3.
On the back a line in address script. F̣ḷaụịọ [ may be possible if we suppose that almost all trace of l has disappeared.
A line written on the slant, therefore the name of the sender. ạ P̣roc̣ụḷo is likely (cf. 219).
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