I just got four tets from the Keith Emmett collection. If you are not familiar with him, he wrote "Alexandrian Coins" the best reference for these coins.
Maximianus
A.D. 293- 294
Alexandria, Egypt
Ӕ Tetradrachm 19x20mm 7.9g
MAΞIMIANOC CЄB; laureate and draped bust right.
Reverse: ENATOV; Eirene standing with head left, holding olive branch and scepter; palm in right field.
Emmett 4113
Maximianus
A.D. 290- 291
Alexandria, Egypt
Ӕ Tetradrachm 19x20mm 6.6g
MAΞIMIANOC CЄB; laureate and draped bust right.
Reverse: Herakles standing facing, head to left, holding club in his right hand and the Golden Apples of the Hesperides in his left; to upper left, star; L-S (year 6) across fields.
Emmett 4131
Maximianus
A.D. 295-296
Alexandria, Egypt
Ӕ Tetradrachm 19x21mm 6.5g
MAΞIMIANOC CЄB; laureate head right.
Reverse: Eagle facing right, palm over left wing, wreath in beak; LI -A (year 11) across fields.
Emmett 4104
Diocletian
A.D. 293- 294
Alexandria, Egypt
Ӕ Tetradrachm 17x19mm 7.2g
ΔΙΟΚΛΗΤΙΑΝΟϹ ϹЄΒ; laureate and cuirassed bust right.
Reverse: Elpis advancing left, holding flower up in right and hitching up skirt with left; palm in right field L-I (year 10) across fields.
Emmett 4046