Watch List notes:

Rhodos, Rhodes AR Didrachm. Circa 304-275 BC. Head of Helios facing slightly to right / Rose with buds to left and right; POΔION above, A and trident head left above and below left hand bud. Ashton, Colossus Series 2 var. (trident to right); SNG Helsinki 475 var. (same); SNG Copenhagen 733 var. (same). 6.48g, 19mm, 12h.

Good Very Fine; porous, marks to obv. Apparently unpublished and extremely rare, only one other example on CoinArchives.

From the inventory of a Swiss dealer;
Ex Roma Numismatics Ltd., E-Sale 62, 17 October 2019, lot 382.