Singapore2013 Vanishing Trades $0.50 Cobbler SG # 2147 stamp Used Cancelled. This Singapore stamp features a colorful design showcasing the vanishing trades of Singapore. The 50c denomination stamp was issued in 2013 and is presented in a machine-canceled state. The stamp is a part of the Singapore Stamps collection and is uncertified. It is a great addition to any stamp collection and a perfect way to commemorate the rich history of Singapore. Add this unique and colorful stamp to your collection today!