Catalogue source — Observed on alisonsprintshop.com on 2026-09-09. Source: https://www.alisonsprintshop.com/products/large-postcards-glossy-5-x-7 Verified trim size: 5 x 7 in. Verified sided-ness: double-sided INFERRED from the stock option "Glossy Front, Writable Back"; the page does not state sidedness explicitly. Verified paper stocks (5) and corner options (Standard/Rounded). Verified quantity ladder: 24, 48, 100, 248, 500, 748, 1000. Verified price: 24 = $19.80 (this tier only). Bleed/safe area: NOT published by Alison — schema technical default (0.125in) retained; requires production confirmation. Option price modifiers: NOT published — recorded as 0, not a claim of no upcharge. Pricing: only the first quantity tier was published; remaining tiers require confirmation and are deliberately absent.