Help translating inscription on shamshir

[Dom]

Originally Posted by Ronin 47

Hello I'm posting this for a friend, and I was wondering if anyone could help us with the translation on this shamshir.

Hi Austin
your "shamshir" present some unusual particularisms (at least for me)
- the reading of the date, give what seems a none sense
- the juxtapostion of "Damascus" and "Al Sham", normally, it's either one or the other, because both are the same place

the translation of the cartouche gave;
- sana hegira 875 - in English "Hegirian year 875"
either 1470 Gregorian calendar honestly I doubt about the veracity of that date, didn't match with the sword, even the blade,
but may be, m'I wrong ?

the long sentence running along the blade it's for 4/5 a poem, following by those words;
"amal Damascus Al Sham" - in English "made at Damascus Damascus"

the poem is too difficult to be translated, at least for my translator due to, some old forms of writting and syntax

à +

Dom