Pulp cover - 1950s/60s

Unknown cover by unknown artist. Large oil on very thick art board - Windsor and Newton 'Rathbone' canvas board. Looks to be the cover for a pulp paperback judging by the style and the space for text at the top but I haven't been able to trace the publication yet. There are some minor clues - for example it says 'N.94' in the bottom right corner, suggesting that the publication might have been number 94 in a series.


https://hoxtonarcade.etsy.com/listing/1631385133