Watch List notes:

Severus Alexander. ; Severus Alexander; 222-235 AD, Philomelium, Phrygia, AE 31x32, 22.29g. RPC Temp-5795 (10 spec., including ours), BM-23. Obv: ΑV Κ Μ ΑV ϹЄΥ - ΑΛЄΞΑΝΔΡΟϹ Head laureate r. Rx: ΦΙΛΟΜΗΛЄΩΝ ЄΠΙ ΠΑΥΛΟΥ ΑΔΡ around large S P Q R within linear circle. From the Mark Gibbons Collection. "Some of the coins of Philomelium struck in the reigns of Sev. Alexander, Philip, and Trajan Decius differ remarkably in size and fabric from all the rest, and are distinguished by the addition of the Latin letters S P Q R" (BMC p. xc). EF