Macrinus named his son Diadumenian co-Augustus within a year after his own accession but both perished at the hands of their soldiers soon afterwards.

RIC 101v (Macrinus), BMC 83a, C 2 Aureus Obv: MOPELANTDIADVMENIANCAES - Bare-headed, draped bust right.
Rev: PRINCIVVENTVTIS - Diadumenian standing facing, holding and scepter in left; in field to right, two standards. [RIC lists for draped and cuirassed bust]. 217 (Rome). $37,344 12/5/02.

RIC 106 (Macrinus), BMC 82 Antoninianus Obv: MOPELDIADVMENIANVSCAES - Radiate, draped and cuirassed bust right.
Rev: PRINCIVVENTVTIS - Diadumenian standing left, holding a baton and a scepter; to his rear and right are two more standards. 217-218 (Rome).

RIC 21 (Macrinus) Denarius Obv: MOPELANTDIADVMENIANCAES - bare-headed bust, draped and cuirassed, facing right.
Rev: SPESPVBLICA - Spes advancing left, holding flower and lifting skirt.

RIC 102b (Macrinus) Denarius Obv: MOPELANTDIADVMENIANCAES - Bare-headed, draped and cuirassed bust right.
Rev: PRINCIVVENTVTIS - Diadumenian standing front, head right, holding standard and scepter, at right, two standards surmounted by an eagle, wreath on hand. $265 9/24/03.

RIC 104 (Macrinus) Denarius Obv: MOPELANTDIADVMENIANCAES - Bare-headed, draped and cuirassed bust right.
Rev: PRINCIVVENTVTIS - Diadumenian standing facing, head right, holding standard and scepter; two standards right. May - July 217 (Rome).

RIC 107 (Macrinus), C 12 Denarius Obv: MOPELANTDIADVMENIANCAES - Bare-headed, draped and cuirassed bust right.
Rev: PRINCIVVENTVTIS - Diadumenian standing left, holding a baton and a scepter; to his rear and right are two more standards.

RIC 108 (Macrinus), C 14a Denarius Obv: MOPELANTDIADVMENIANCAES - Bare-headed, draped and cuirassed bust right.
Rev: PRINCIVVENTVTIS - Diadumenian standing left, holding baton and scepter; to his rear and right are two more standards. May - July 217 (Rome). $250 5/21/03.

RIC 116 (Macrinus), BMC 94 Denarius Obv: MOPELANTDIADVMENIANCAES - Head, bare right, bust draped.
Rev: SPESPVBLICA - Spes advancing left, holding flower and raising skirt. 217-218 (Rome).

RIC 117 (Macrinus), BMC 92 Denarius Obv: MOPELANTDIADVMENIANCAES - Bare-headed, draped and cuirassed bust right.
Rev: SPESPVBLICA - Spes standing left, holding flower and raising skirt. $706 2/18/02.

RIC 211 (Macrinus), C 7 As Obv: MOPELANTONINVSDIADVMENIANVSCAES - Bare-headed, draped and cuirassed bust right.
Rev: PRINCIVVENTVTIS Exe: SC - Diadumenian standing left, holding standard and scepter; two standards to right.

RIC 212 (Macrinus), BMC 159 As Obv: MOPELANTONINVSDIADVMENIANVSCAES - Bare-headed, draped and cuirassed bust right.
Rev: PRINCIVVENTVTIS - Diadumenian standing left, holding standard and scepter; two standards to right. $400 5/21/03.