I thought I would share the following coin with you as an example where a fairly major double strike on both sides of the coin doesn't automatically make the coin unattractive.
The double strike is most evident on the front of the portrait but can also be seen on the reverse where the shadow of the grain ears can be seen in the left field.
Silver drachm
Obv:- Head of Herakles right, clad in lion-head headdress
Rev:- KALLATIA, grain ear, club and bow case
Minted in Kallatis. 300 - 250 B.C.
Reference:- SNG Cop 176. SNG BM 202
3.532gm, 18.6mm
Graded as EF, double struck, lightly toned.

Regards,
Martin