Watch List notes:

Vespasian. Silver Denarius (3.12 g), AD 69-79. Judaea Capta type. Rome, AD 79. IMP CAESAR VESPASIANVS AVG, laureate head of Vespasian left. Reverse: TR POT [X?] COS VIIII, Victory standing left, attaching shield to trophy beneath which captive seated left. Hendin 1485a; RIC 1069; BN 216; BMC 248; RSC 553. Lightly toned. Fine. Value $200 - UP
Possibly an engraver's error lacking the Roman numeral X in the reverse legend, or perhaps the number was filled on the die.
Ex David Hendin Collection.