Vintage TITAN Firmer Tang Chisels: 1/4", 3/8", 1/2", 3/4" & 1-1/4" Australian. The 1/2" chisel is missing the lower hoop. 
As with all vintage tools, expect some wear, tear and rust. Please refer to the photos and use them as an extension of the description. If you require further photos or have any questions, feel free to contact me.