Dear Oesho,
I must have got really confused when I linked the coin. Before I uploaded this coin, I was last looking at 2 or 3 Surat coins which I have also picked up and may be this was the reason for the mix up.
The date is in the 'N' of the Jahan. I have uploaded a magnified image. It took me quite some time to find the RY date, even with the coin in hand as it is in very small size.
I have checked the two coins of this type on ZENO and find that the coin
linked by Oesho has the mint name on the left of the square while the
other one has the mint name to the right of the coin. Is there any specific reason? or is it a die cutters error? On the later coin, the date is also in the same position as it is on my coin.
The date on Oesho's RY 18 coin is an error written as 'dot 8' instead of 18. An interesting error as single digit dates were never seen engraved with a dot.
Amit