South Africa [ Images ] captain Graeme Smith [ Images ] has lost his valuable Test cap which he wore in every match since his debut against Australia [ Images ] way back in 2002 in Cape Town.

Smith said that the cap, which he lost during his travel from Centurion to Durban, was irreplaceable for him.

"Realise this is a long shot, but had my Test cap that I've used since my 1st test for proteas stolen on travel up to durbs!#can't be replaced," he wrote on his Twitter page.

"Cap means a lot to me so if you know anything pls give me a shout......thx."

South Africa lead the three-match Test series against India [ Images ] 1-0 after their resounding innings and 25 runs victory in the first match in Durban.

The second Test of the series will begin at the Kingsmead in Durban on Sunday.