fs: Pentax Af 540 flash

for sale
pentax af540 flash,i think,i never used it... comes with box and all original parts...
£250 ono
thank you

Why the "i think"?

Are you not sure?

i am not sure i ever used it it is in its original box,in my cupboard,far away from my photo equipment...
price drop to £225
offers welcome
thank you