I have a 10" Alpine Type R, it's got a little cosmetic damage to the cap but it works perfectly.

It's a DVC 4+4 ohm.

It hits hard for a 10" and is perfect in an SQ setup since they like small boxes.

I'm letting this go for $55 OBO.

10" subwoofer with dual 4-ohm voice coils
Kevlar reinforced pulp cone with Santoprene™ rubber surround
cast aluminum frame with perimeter venting
frequency response: 26-600 Hz
power handling: 200-500 watts RMS (250 watts per coil)
peak power: 1,500 watts
sensitivity: 83 dB
top-mount depth: 6-7/8"
sealed box volume: 0.5-0.8
ported box volume: 0.6-1.3