vented early 80's petty light

[LWC82PE]

http://cgi.ebay.com/ebaymotors/preston-petty-headlight-number-plate-new-vintage_W0QQcmdZViewItemQQ_trkparmsZ72Q3a543Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318Q7c301Q3a1Q7c293Q3a1Q7c294Q3a50QQ_trksidZp3286Q2ec0Q2em14QQhashZitem250335163086QQitemZ250335163086QQptZMotorcyclesQ5fPartsQ5fAccessories

these are very rare from the early 80's

i have heaps of NOS clip on  small preston petty numbers for these lights if anyones interested.