the value of the coroin coin from irland is 26d
Such a coin does not exist. Eireann (Ireland) was using the British based Pounds, shillings and pence currency system in 1928.
That is far too broad a question to be answered in this forum. Check your local library for a coin catalogue for Irish or World coins.
To determine the exact value of a 1928 US dollar coin, a couple different factors would need to be taken into consideration. Most important factor being, the condition of the coin.
how much is a 1 ESCUDO coin worth
Assuming the coin is circulated retail prices are $178.00-$300.00
The value of a 1928 Mexican centavos coin depends on the denomination and condition of the coin. The typical value is between 6 and 65 US dollars.
It should be valued at $15 - $30 depending on the condition of the coin.
Circulated coins are $25.00-$90.00 Mint State examples are $150.00 or more
No US $100.00 gold coins were ever made, so a value is not available.
The Denver mint did not strike any silver dollars in 1928. You may have a 1928-S where the S is indistinct. This coin is worth $20 to $30 depending on condition.
According to eBay, the value of a 1946 Ireland 6d Wolfhound Sizpense is $11.85 (USD). The actual value depends on the condition of the coin and finding the right buyer.
No gold coins were struck in 1928, please look at the date again. 1929 was the only year the coins were struck.