Leather Cuirass Lorica Musculata, I used to think no way but

[Tarbicus]

no evidence, literary or otherwise, that Roman officers used metal cuirasses in battle. Please let us know your source for this.

You need to look at more frescoes and mosaics. There are clearly iron and bronze (or gilded with silver and gold) musculatae portrayed in such examples (at Santa Maria Maggiore in Rome, for example).

AntonivsMarivsCongianocvs\\n[quote]just as there isn’t any archeological evidence for Roman Shields to have the lightening and thunderbolt design… there is only sculpture. Is the lightening and thunderbolt design also “still a fantasyâ€