My oldest, which I don't currently have pictures of, would probably be species Lemon Lily and Middendorfii.
Other than these two species, I still have a lot of older ones that I just can't part with. A lot of them are Wild's.
Am not going to post all, as way too many. Here are a few.
HOWDY
FRANS HAL
BONANZA
GENTLE BLESSINGS
SEEDLING NECTARINE PINK(sold to me as Magic Dawn but is an old heirloom seedling)
PRAIRIE BLUE EYES
WATER WHEEL
CARTWHEELS
LUXURY LACE
TYLWYTH TEG