miniature model of the world trade center - the twins. A beautiful artisan 925 sterling silver (NOT silver plated) miniature model of the world trade center - the twins. Beautifully designed as the world trade center - twins while one of the buildings is topped by the US flag. Set on a rectangular base with rounded corners, inscribed in English with the initials WTC (World Trade Center). This item was made in the electroforming method. Measurements : Marks : Height: 2.7in. / 6.858cm. Length: 0.8in. / 2.032cm. Width: 1.3in. / 3.302cm. 1 inch = 2.54cm 925 for sterling silver. Weight : 21gr. / 0.675oz.