1974 atc 90 k2

[haggard 2hundie]

anyone got any info on this machine ? ( sorry no pics ) but theres one at a local auction that could prob be got for cheap , pic looks great !original tires , tank and fenders look solid , any idea on value ?
a buddy of mine is interested for his kids and asked how much he should pay if it runs / dont run ? i told him a couple hundie tops reguardless ?

[wellys88]

50$ to a couple hundred depending on condition, need pictures to get a better idea, does it have the ohtsu balloon tires