Kuppenheimer Classic Black Men's Suit the British Collection vintage

Elevate your style with this classic black gray pinstripe men's suit by Kuppenheimer The British Collection. Perfect for any formal occasion, this suit offers a timeless look and comfortable fit. Based on measurements, I believe this is a 46. I can’t find a measurement in the seat. Measures 23 inches across the front from pit pit, 32 inches long from soldier tooth the bottom of the blazer, 26 inch sleeve length, and 20 inches from shoulder seam across the back. It has a double vented back. The pants are pleated and measure 18 inches across the front along the top of the waistband, 13 inch rise, 32 inch inseam, and the leg opening is 9 1/2 inches along the bottom hem line. This is a vintage suit made in the USA.