Got to thinking about the VF-39 profile and did a little checking. You were better off with the VF-39 bird being an FM-1. VF-39 was established on 1 June 1943 as VC-64. Stations and assigned aircraft for the remaining of calendar 1943:
8 Jun 1943 - VC-64 at NAS Seattle, scheduled for assignment aboard USS Tripoli by 1 Sep 1943. Aircraft on hand: 4 FM-1
15 Jun 1943 - VC-64 at NAS Seattle. No aircraft on hand: .
21 Jun 1943 - VC-64 at NAS Seattle. Aircraft on hand: 3 FM-1.
28 Jun 1943 - VC-64 at NAS Seattle. Aircraft on hand: 3 FM-1.
7 Jul 1943 - VC-64 at NAS Seattle. No longer identified as to be assigned to USS Tripoli (nor were any of the other VC rons working up, whereas they were in June). Aircraft on hand: 4 FM-1 & 1 TBF-1.
14 Jul 1943 - VC-64 at NAS Seattle. Aircraft on hand: 5 FM-1.
21 Jul 1943 - VC-64 at NAS Seattle. Aircraft on hand: 7 FM-1 & 3 TBF-1.
28 Jul 1943 - VC-64 at NAS Seattle. Aircraft on hand: 11 FM-1 & 4 TBF-1.
3 Aug 1943 - VC-64 at NAS Seattle. Aircraft on hand: 12 FM-1 & 4 TBF-1.
9 Aug 1943 - VC-64 at NAS Seattle. Now scheduled for assignment to USS Prince William, no date set. USS Prince William is at San Francisco. Aircraft on hand: 13 FM-1 & 6 TBF-1.
17 Aug 1943 - VF-39 at NAS Seattle. Redesignated as VF-39 15 Jun 43. USS Prince William is at Pearl Harbor. Aircraft on hand: 13 FM-1 & 7 TBF-1.
24 Aug 1943 - VF-39 at NAS Seattle. Prince William is headed west towards SoPac, not east to Seattle. Aircraft on hand: 12 FM-1 & 8 TBF-1.
7 Sep 1943 - VF-39 at NAS Seattle. Prince William in SoPac theater. Aircraft on hand: 12 FM-1 & 9 TBF-1.
14 Sep 1943 - VF-39 at NAS Whidbey. Prince William in SoPac theater. Aircraft on hand: 12 FM-1 & 9 TBF-1
21 Sep 1943 - VF-39 at NAS Whidbey. Prince William in SoPac theater. Aircraft on hand: 12 FM-1 & 9 TBF-1.
28 Sep 1943 - VF-39 at NAS Whidbey. Prince William in SoPac theater. Aircraft on hand: 12 FM-1 & 9 TBF-1.
5 Oct 1943 - VF-39 at NAS Whidbey. Prince William in SoPac theater. Aircraft on hand: 23 FM-1 & 9 TBF-1.
12 Oct 1943 - VF-39 at NAS Whidbey. Prince William in SoPac theater. Aircraft on hand: 24 FM-1 & 9 TBF-1.
19 Oct 1943 - VF-39 at NAS Whidbey. Prince William in SoPac theater. Aircraft on hand: 24 FM-1 & 9 TBF-1.
26 Oct 1943 - VF-39 at NAS Whidbey and NAS Pasco. Prince William in SoPac theater. Aircraft on hand: 22 FM-1 at NAS Pasco & 9 TBF-1 at NAS Whidbey
2 Nov 1943 - VF-39 at NAS Whidbey. No longer noted for carrier assignment. Aircraft on hand: 23 FM-1.
11 Nov 1943 - VF-39 at NAS Pasco. Aircraft on hand: 23 FM-1.
16 Nov 1943 - VF-39 at NAS Pasco. Aircraft on hand: 23 FM-1 & 3 F6F-3.
23 Nov 1943 - VF-39 at NAS Pasco. Aircraft on hand: 33 F6F-3 & 12 FM-1.
30 Nov 1943 - VF-39 enroute to Pearl Harbor. Aircraft on hand: 33 F6F-3 & 12 FM-1.
7 Dec 1943 - VF-39 enroute to Pearl Harbor. Aircraft on hand: 36 F6F-3.
14 Dec 1943 - VF-39 NAS Pearl Harbor. Aircraft on hand: 34 F6F-3.
21 Dec 1943 - VF-39 NAS Barbers Point. Aircraft on hand: 36 F6F-3.
29 Dec 1943 - VF-39 NAS Barbers Point. Aircraft on hand: 36 F6F-3.
Looks as though the first guess of an FM-1 was correct. VF-39 does not appear to have had any F4F-3’s in its inventory.
Your VF-41 -3 looks real nice. My father was in VF-42 on Ranger at the same time. VF-42 -3’s were much plainer. No squadron insignia, no fuselage stripes or cowl colors, no yellow on the upper wings, just the Ranger green on the vertical stabilizer and rudder and “42-F-x” on the side in black. The one assigned to him had originally been assigned to to the CO of VF-71 as the painted over side numbers left a raised impression of 71-F-1 and there were traces of Wasp black around the edges of the Ranger green on the vertical stabilizer. That particular plane never made it to combat as it was wrecked at Otay Mesa CA in January 42 by a ships’ company aviator who borrowed it to get his monthly flight time; propeller pitch malfunctioned (not unusual for the time period) on take off and that was that. Plane was a loss, but the pilot walked away.