Real or fake? [解決]

Hello, dear collectors! 

I have acquired a coin. At first, I thought it was like

N#150575

but however, the “X” and the “W” next to the trident (or maybe “M” and “X”) are missing on the back.

Is this a variation in my case, or have I purchased a fake?

(To clarify: I'm still a novice in the field of numismatics.)

Here are the technical details:

- Material: bronze

- Caria/Mylasa, 3rd-2nd century BC

- Front: horse walking to the right

- Back: ornamented trident with head down

- Diameter: ca. 12,7 mm

- Weight: ca. 1,6g

Photos:

Front

Back

I appreciate any information and thank you in advance!

M. Braun (Germany)

Welcome to Numista.

Please show your pictures immediately on your post, not as a link:

micha63BRAUN

 

but however, the “X” and the “W” next to the trident (or maybe “M” and “X”) are missing on the back.

The “Λ” (lambda) and “W” are on your coin too but a bit out of flan:

Hello, Essor Prof! 

First of all, thank you very much for the quick reply! I had technical problems inserting the images; hence the use of links. Without the markings you made, I wouldn't have recognized the letters (even with a magnifying glass)! After looking at similar coins and the Greek alphabet again, I've come to the following conclusion: the letters must be "M/My" and "Y/Upsilon." For one thing, there is no "W" in the Greek alphabet. For another, the trident is upside down. (And as a signature for Mylasa as the place of minting, this also makes sense.) 

Thanks again! 

M. Braun