These varieties are the first fruit set for me they seem to be able to do this in multi locations this year 2018 .
OP :
Chernomor
Yablonka Rossii (seems most vigorous and prolific and large potato leaf etc,)
Kimberly
Unikalnyi
Hardin's Minature
Maglia Rosa
Latah
Danko
Kavalero Chinese (Russian )
Hybrids :
(Control Group for comparison fruit set ...no surprise here)
Juliet
Sungold
BigBeef
La Roma
Every Year seems different early set with different varieties ,