French Alps route marker souvenirs

Hi all. I’ve just returned from a frankly epic trip across the cols of the Alps, Madeliene, Galiber etc. Every km on the climbs there are these little pillar waymarkers which tell you how far to go and the gradient of the next km, and I did see you could buy wee ones as souvenirs. I didn’t bother at the time – we were doing 2-3 cols a day so the extra weight might have been hell by the end of the week. Anyway, don’t suppose anyone knows of anywhere they may be available to buy on-line? If you’ve ridden these routes you’ll know what I’m on about, little yellow and white markers, about 2ft high, the souvenir ones were about 2″ high. Cheers!