I was digging around in my tying stuff and I came across an old Herters wholesale catalog that I have. This is from 1948 so it is just after WW II. Here are some interesting buys:

Spanish silkworm gut 3.90/100 strands
pure silk floss 1.45/ dozen spools
mandarin duck skins 5.75
Indonese duck skins 4.85 (first avail since the war!)
Bali ducks 4.86 (this might be extinct now)
Reeves pheasents 3.50/6
c0ck of the rock 12.00/skin (pricey in 48!)
blue chatterer .80/skin (I'll take 100!)
florican bustard quills 12 for 1.00
swan quills .15/pair 16.00/pound
condor quills 1.40/quill
Argus pheasant 2ndaries 1.00 each
Jungle c0ck necks 14.00 (only 1 per customer)
seal fur pieces 2.10/pound
Brazil mouse deer skins 6.50/dozen
Silver monkey skin 1.75
Barred orange baboon skin 3.75
European Wolf skin 4.25 (5.00 in dyed colors)
Polar bear 50 pieces for 16.00

Hmm, I still have the order form and nothing says there is any expiration date on the prices. Too bad they don't exist anymore...........