This was an initial proposal, with the same colors in a slightly boring horizontal triband:
Another proposal rearranged it a bit, but was discarded as too similar to the flag of Tanganyika, which seems quite reasonable, since they did not know that problem would be short-lived:
In the end they went for the saltire, which seems like a great choice, creating a more unique and interesting design.
the green harp flag of ireland was great and I wish it was its flag now except the whole europe standardization. At least it stayed for one provence. https://s1.qwant.com/thumbr/474x335/1/9/4df231c4d4a0b4479a2dbdaddae2581271de7e5209e9d36ff7f49867f2f125/th.jpg?u=https%3A%2F%2Ftse.mm.bing.net%2Fth%3Fid%3DOIP.WZJzSQdWSEZ-cl4OrNGw7gHaFP%26pid%3DApi&q=0&b=1&p=0&a=0