$US cost/lb = ($AU/Kg) /2.2 * (exchange rate $US per $AU)
If Barvennon wool is AU$14/Kg. & current exchange rate were $0.68, then:
US$ cost/lb would be (AU$14/2.2)*0.68 = US$ 4.30/lb.
Follow this link to explore AUSTRALIA POST charges
(economy Air).
For a nominal kilogram (say 930g) the cost would
be: (0.93 x $14 + $16) ~ AU$29
For an exchange rate of US$0.68 buys AU$1.00 (October 1st 2003)
the cost would be $29 x ).68 ~ US$19.70.