appears to be from a different die than the one on the Numista page, but that does not mean it must be a forgery. The inscription and tughra are accurate.
The weight will be very useful information. if it is copper-nickle it will weight about 5 grams or less, instead of 6. your coin is quite worn so if it is silver it should weigh a bit less than 6 grams, but not as little as 5.
Jamais l'or n'a perdu la plus petite occasion de se montrer stupide. -Balzac