Antoninus Pius Æ 16mm of Petra, Arabia. AD 138-161. ΑV Κ Τ Α[ΙΛ ΑΔ] ΑΝΤѠΝΙΝΟϹ, laureate head to right / [ΑΔΡ Π]ЄΤΡΑ ΜΗΤΡOΠ, RPC Online 6625 (temporary); Sofaer 16; Spijkerman 18. 4. 36g, 16mm, 6h.