Caracalla (211-217 AD) Minted: Nicaea, Bithynia Size: 28.5mm Weight: 12.7 grams Obverse: ANTΩNINOC AYΓOYCTOC, laureate head right Reverse: NIKAIEΩN, Tyche standing left, holding rudder and cornucopiae 

ProbusSize: 21mm Weight: 3.5 grams Obverse:  IMP C M AVR PROBVS P F AVG Radiate and cuirassed bust to rightReverse: CLEMENTIA TEMP Emperor standing right, holding sceptre, receiving globe from Jupiter standing left holding sceptre; Γ below, XXI in exergue

You are buying all 18 coins. They range in size from 13-16mm.

Constantius II Minted: Antioch Size: 14mm Weight: 1.3 grams Obverse: CONSTANTIVS AVG pearl diademed bust right Reverse: GLORIA EXERCITVS two soldiers standing with spears and shields and one banner between - two dots above banner GLORIA EXERCITVS = Glory of...

Constantine II Size: 17mm Weight: 2.0 grams Obverse: CONSTANTINVS IVN NOB C Laureate, draped and cuirassed bust to right Reverse: GLORIA EXERCITVS, two soldiers, each holding spear and shield, with two standards between them. R dot wreath dot S in exergue. GLORIA EXERCITVS...

Marcus Aurelius silver denarius.Minted: RomeSize: 17mm Weight: 2.72 gramsObverse: DIVVS M ANTONINVS PIVS Bare head rightReverse: CONSECRATIO Eagle standing right on thunderbolt, head left

Licinius II - nicer in hand with a dark patinaAe Follis Weight: 3.56 grams Size: 18mm Minted in Alexandria, EgyptObverse: D N VAL LICIN LICINIVS NOB C Helmeted and cuirassed bust of Licinius II to left, holding in right hand spear...

Constantine II - black patina with desert highlightsSize: 17mm Weight: 2.5 grams Obverse: CONSTANTINVS IVN NOB C Laureate, draped and cuirassed bust to right Reverse: GLORIA EXERCITVS, two soldiers, each holding spear and shield, with two standards between them  GLORIA EXERCITVS =...

Vespasian, 69-79 AD AR silver denarius Weight: 3.3 grams Size: 18mm Obverse: IMP CAESAR VESPASIANVS AVG Laureate head right  Reverse: PON MAX TRP COS V, emperor seated left on curule chair, feet on a low footstool, holding branch Reference: RIC 703

Commodus - some golden toning on the reverseMinted in Rome Weight: 2.1 grams Size: 17mm Obverse: M COMM ANT P FEL AVG BRIT, laureate head rightReverse: P M TRP XI IMP VII COS V PP Jupiter seated left, holding thunderbolt and sceptre

Lucilla Size: 17mm Weight: 3.3 gramsObverse: LVCILLAE AVG M ANTONINI AVG F, draped bust right Reverse: VESTA, Vesta standing left, holding simpulum and palladium, lit altar at foot left Lucilla was the Granddaughter of Antoninus Pius, daughter of Marcus Aurelius, wife...

Kings of Macedon - Alexander III AR silver Weight:  17.3 grams Size: 25mm Obverse: Head of Herakles right, wearing lion's skinReverse:  AΛΕΞΑΝΔΡΟΥ, Zeus Aëtophoros seated left, holding sceptre and eagle; monogram in left field and below throne