Staff wrapping of healing prayers +1 (19%)

I've just got this from a useless staff:
Staff wrapping of healing prayers +1 (19%)

How much could it be worth?

might be work 1k or more. but wait for others too.

An monk to whom i sold some items told me that it worths about 10k.
Other opinions?

10-20k imo ... i sold an 18% for 5k the other day so that ought to help a lil