Carlos, I am not sure if you received an answer to your question. F. H. Ayres was a well respected English archery manufacturer operating from some time in the late 1800's until at least well into the mid 1900's. I am not sure of the exact span of time that this firm existed. I have a magnificent yew hunting bow made by them for Harold A. Titcomb, who was the only American ever to be president of the Royal Toxophilite Society.
As respects broadheads, I referred to the second edition of "
Broadheads 1871 - 1971" compiled and published by Wade Phillips, 2004 and found that F. H. Ayres broadheads are identified on pps. A-58 and A-59. There are two pages of photographs of F. H. Ayres' broadheads. Wade Phillips is a member of the American Broadhead Collectors Club and perhaps could provide some direction to you in your search. You should be able to reach him at
wadephillips@cox.net