VINTAGE Pendleton Wool Pleated Plaid Skirt Size see measurements for size

Pre-owned VINTAGE Pendleton Wool Pleated Plaid Skirt Size tag says size 10 but is much smaller than a size 10. I am a size 4 and it fits me bit little tight around button closure Wool Unlined Side zip and button closure Does have imprecations. Two small holes. Both shown in photos