In my professional opinion, the following item is:

Unused Set: Guinea #201-2, C24-6

I grade this item: 

Very Fine 1 which means:

Very Well-Centered; Never Hinged Original Gum (see photos).

SCV: $92.25

Thank you,

Karl Anderson

Anderson Stamp & Coin

POB 51258, Provo, Utah 84605

APS #130744.  I am a full-time stamp and coin dealer; and a regular advertiser in Linn's Stamp News and Coin World Publications (since 1975).