Genuine BC pieces have a clean internal label with consistent stitching and the 'Solomeo' origin noted on most garments. The hangtag on new or lightly used pieces should show a specific lot or style number. Counterfeits exist but are less prevalent than with other major houses — the more common issue is mislabeled or misrepresented pieces. Check that the label font and stitching match verified examples, and look at the overall finishing quality: raw or uneven seams inside a supposedly mainline BC knit are a red flag.

Yes, and more than some buyers expect. BC uses fine-gauge cashmere on most of its knitwear, which is softer and lighter than mid-gauge but also more susceptible to pilling with regular wear. This is normal for the fiber at this gauge, not a sign of low quality. Light pilling — especially under the arms and along side seams — can be removed with a cashmere comb or fabric shaver on the lowest setting. Heavier or widespread pilling is not reversible and should be reflected in the price. Always ask for photos of the underarm and cuff areas if they are not shown in the listing.

They serve slightly different purposes. Loro Piana's secondhand market is stronger for outerwear and the heavier knits — the Storm System coats and the thicker baby cashmere pieces hold value and condition well. BC is the better secondhand buy for lighter knitwear and spring-weight pieces, where the secondary market pricing hasn't kept pace with the quality. If you are specifically looking for a fine-gauge cashmere crew neck or a linen summer layer, BC will generally offer more value per dollar at secondhand prices than LP in the same categories.

The cashmere-blend and wool trousers are the most valuable finds but require close inspection at the seat and inner thigh, where fabric thins first. Look for any photos of the seat area and ask specifically if the seller has not shown it. Waistband integrity matters too — BC trousers often have a partially elasticated or drawstring waist that can stretch out or show wear at the casing. The linen trousers are more forgiving on condition but wrinkle permanently if stored folded under pressure, so check for deep crease lines along the leg that may not press out.