Ron Lee clowns

I have 6 Ron Lee clowns i would love to get values on if any one can help me.

three of them have #s

257
288
336
One has a signature Ron83 and is a small clown with gold cane and top hat and a red polka dot bow tie.

The next one is a large clown juggling three hoops a plate and a stool on his head.

The last one is a small marching drummer with red pants and a gold hat.

Thanks for any info

Sharon