This thing is rather expensive, but I have to say finding one this clean in Canada would be next to impossible. $2000 CDN (About $1500 USD).
https://www.kijiji.ca/v-view-details.html?adId=1378403915&requestSource=bI don't know what a decent condition bed is worth down south, but if it was $500 USD or higher, that would quickly turn into $2000 Canadian by the time you add in the exchange rate, and transport, etc.
I see Bullnose Styleside beds for $800 on a semi-regular basis....but they're complete beds that you don't need to go by a floor and crossmembers for.
1994 F150 4x2 Flareside. 5.0 w/MAF, 4R70W, stock.
1984 F150 4X2 Flareside. Mild 302 w/ 5spd. Sold.
1980 F150 4X4 Flareside. 300i6 w/ 5spd. Sold in 2021.
1980 F100 4X2 Flareside. 351w/2bbl w/NP435. Sold in 1995