All - 499 for Sale for 20,000 EGP, Repeated, and Meaning

For sale: HMMH plate for 20,000 EGP. Sale is not urgent; will proceed only if offered its full value or not at all. H M M H - 499 ‏H Z H - 499 Please do not disturb. Please do not disturb. Sale is for cash only — absolutely non-negotiable.