Yep, it's a shrunken onionskin -- nice one. The other, yellow one -- different people would call different things, so just throwin' it out there - - - I personally would call it a banded transparent; some might call it a transparent indian. Probably other things too! But then in my collection I have degrees of banded transparents (maypole, a few bands only one or two colors, more bands only one or two colors, more bands more colors, lots of bands one or two colors, lots of bands lots of colors = joseph's coat , , ,)
Nice Jabo rainbows!