I'm doing a restoration of an old L66 western boy scout knife from the 60's and I'm looking for leather sheeting to craft my own washers (double tang) and am a)not sure what type of leather to get/finish (I guess?) and b) not sure where to get it from. I realize that birch bark is more practical and durable but I want to stay true to the knifes originality. Any tips would help, thanks!