Avon HM Tourist are £239 here in the UK - and $346 in the USA:

https://cokertire.com/tires/avon-to...v-zkYDDJxhuqC3oae9Z9HPSohtEA8xGwt_zZm_YW

https://www.vintagetyres.com/avon-tourist-550-16-80l

I'd like to try radials, jut to compare the straight line stability with the previous crossplys. The radials and crossplys here seem to be pretty much similar prices. (Blockley: https://www.blockleytyre.com/product/185vr16). Shipping to the states from the UK would be signficant though, I would guess.

Dave
Blue 4/4 1969, Green +4 1953, (different) Green +8 1977