wow ! that is rare. might wanna consider really taking care of that. i have a new unused B model. plus 4 others. right now i just use the most beat up one i have and i love it. now you need to check out phubars posts. the guy is crazy on the ga's.
take care of those wood handles !
one tip is to replace the washers between the legs and the vents with ss washers.
my new unused B model