Baseplate #6099px1 appeared in LEGO® Set:

6392 Airport Circa 1985.

1245 T- and Intersection Plates 1986.

5180 T-Junction, Circle 1987.

Color: Green

It is 32 studs by 32 studs, which is 10" x 10" in diameter. LEGO® Baseplates have a flat bottom. 

Our vintage baseplates are pre-owned but in good, functional condition. We offer our baseplates in 3 different conditions, 1) Very Good, 2) Decent, and 3) Playtoy

1) Very Good - Baseplate was used very little if at all and has few to no visible flaws. Only visible flaws may be micro-scratches on bottom. This is a collector's item.

2) Decent - Baseplate has minor scuffs & scratches, maybe slight stress marks, still considered a collectible.

3) Playtoy - Baseplate may be discolored, have a chipped corner, crack or hole in it but is still very functional.

If you are looking for any baseplates or LEGO® items you do not see on our website, call our store at 470-414-2208 to see what is in stock. Thank you!