There are two possible explanations for this:
If the former, patience is key - this site covers thousands of entities, and all must have a manually created description written.
If the latter, try renaming the property - 'Domitian as Caesar' has no description, but 'Domitian' does.
Reverse: eagle standing left on thunderbolt; ΠTOΛEMAIOY_ΒAΣIΛEΩΣ, P / (ΠAP)
Die Orientation: -
Weight: 12.7 g
Reverse: ΒΑΣΙΛΕΩΣ ΠΤΟΛΕΜΑΙΟΥ, eagle with closed wings standing to left on thunderbolt; P above monogram to left
Die Orientation: 12 H
Weight: 14.36 g
Reverse: ΒΑΣΙΛΕΩΣ ΠΤΟΛΕΜΑΙΟΥ, eagle with closed wings standing left on thunderbolt; monogram to left
Die Orientation: 1 H
Weight: 14.25 g
Ex Dr. G.W Collection (Roma Numismatics E-Sale 73; Lot 520)
Reverse: Athena Alkidemos advancing to right, brandishing spear and holding shield; AΛEΞANΔPOY to left, ΘE in inner left field, Corinthian helmet above ΔI and eagle on thunderbolt in right field
Die Orientation: 1 H
Weight: 15.75 g