18p/39p/24p s/t Questa FCP/PVA

sg UG42 18p SBR UG61 24p 2B & UG102 39p 2B. Questa ex Tolkien book.
Sales price: 6,00

18p has a 1mm trace bar at top left of stamp.

Phosphor is very dark and overinked giving a dark yellowy-brown rather than normal Yellow fluor reaction, the phosphor was, perhaps, printed twice, or it is normal for this issue but still overinked?