Description

OPTIMUM B1 cards – premium storage for sheets, blocks, FDC and documents

OPTIMUM cards are high‑quality archival pages designed for collectors who need a secure, durable and elegant way to store larger collectible formats — stamp sheets, blocks, FDC covers, photographs, certificates, banknotes or documents.

All sheets are made of premium, tested materials ensuring full archival safety and long‑term protection.

📐Specifications:

Sheet size: 201 × 252 mm
Pocket size: 180 × 248 mm
Packaging: 10 sheets

Compatibility: all OPTIMUM binders with slipcases

OPTIMUM B1 Sheet (black, 2 pockets)

Made from three‑layer foil (clear + black core + clear), the B1 sheet:

📌includes 2 pockets for double‑sided storage,

📌offers twice the capacity of C‑type sheets,

📌provides a stylish black background that enhances presentation.

Perfect for:

stamp sheets
large blocks
FDC covers
photographs
certificates
documents
press clippings

🌟 Why choose OPTIMUM B and C cards?

🛡️ High durability and secure archiving

🔍 Clear presentation of your collection

🎨 Choice of two styles: fully transparent (C1) or elegant black background (B1)

📁 Compatible with all OPTIMUM albums

📦 Packed in sets of 10